‘Post-PC’ is more than just marketing buzz for Apple CEO Tim Cook

Apple (AAPL) is no stranger to ditching technologies when it deems them to no longer be useful. The company dropped the floppy disk for a CD-ROM drive on the first iMac and most recently has shifted to building MacBooks and iMacs without any physical disc drives. In his first televised interview on NBC’s Rockcenter with Brian Williams, Apple CEO Tim Cook revealed that he has “ditched physical keyboards” now that he spends 80% of his time using his iPad “authoring email” and “working on things.” Cook says he’s gotten quite good at typing on the screen and advises people to trust auto-correction as it’s “quite good” — though it’s a feature we still blast iOS for some five years after the first iPhone launched. But what does it mean when the boss of the country’s most valuable company and the most revered technology company in the world doesn’t even use physical keyboards anymore? Perhaps the “post-PC” era will become mainstream sooner than we thought.

For years, Apple has touted the idea that we’re entering the “post-PC” era – a period when touchscreen-equipped smartphones and tablets will eclipse desktops, notebooks and complex operating systems as they slowly fade away into a niche reserved for professionals.

While there will still be a need for notebooks, Windows PCs and Macs, the increasing numbers of smartphones and tablets sold and continued decline of worldwide PC sales support Apple’s claim that mobile is where the next tech battleground is, even if Microsoft (MSFT) thinks otherwise.

The term “dogfooding” is often thrown around between tech blogs and Cook is doing exactly that — using his “own product to demonstrate the quality and capabilities of the product.”

As Steve Jobs once said, Apple only builds products its own engineers and designers would use themselves.

Cook’s not saying, “iPads are great” for some people and some tasks. The fact that Cook uses his iPad for 80% of his work and an iPhone all the time suggests he and Apple are serious about this post-PC era. Apple wants iPads and iPhones to be great for all of your computing needs.

Apple is serious enough about it that the big boss has shifted his habits from old-school typing on actual keyboards to using virtual keyboards. And for all we know, Cook could be using even more natural human interfaces such as more voice recognition (ex: Siri in iOS and built-in dictation in OS X Mountain Lion).

Will physical keyboards go the way of the dodo in the next handful of years? It’s doubtful, but don’t be surprised if you see fewer and fewer offices with QWERTY keyboards attached to PCs and more desks and execs just carrying tablets and a smartphone on the side.

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Bo Obama Adorns White House Christmas Card

People Pets

12/06/2012 at 03:55 PM EST

White House Christmas card

MAI / Splash News Online

It wouldn't be Christmas at the White House without Bo Obama.

After inspecting this season's holiday decorations – in which he is prominently featured through a life-size replica and Bo-flake ornaments – the first dog also graces the Obama family's Christmas card.

Iowa artist Larassa Kabel's painting depicts a snow-covered Bo running across the White House's North Lawn, an homage to this 2010 snapshot, which caught the 4-year-old playing in the snow during a February blizzard.

"He is my son," Michelle Obama said in March of the Portuguese Water Dog, whose paw print also appears in the interior of the card alongside the First Family's signatures. "He's a very sweet dog."

White House Christmas card

MAI / Splash News Online

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Celebrations planned as Wash. legalizes marijuana

SEATTLE (AP) — Legal marijuana possession becomes a reality under Washington state law on Thursday, and some people planned to celebrate the new law by breaking it.

Voters in Washington and Colorado last month made those the first states to decriminalize and regulate the recreational use of marijuana. Washington's law takes effect Thursday and allows adults to have up to an ounce of pot — but it bans public use of marijuana, which is punishable by a fine, just like drinking in public.

Nevertheless, some people planned to gather at 12:01 a.m. PST Thursday to smoke in public beneath Seattle's Space Needle. Others planned a midnight party outside the Seattle headquarters of Hempfest, the 21-year-old festival that attracts tens of thousands of pot fans every summer.

"This is a big day because all our lives we've been living under the iron curtain of prohibition," said Hempfest director Vivian McPeak. "The whole world sees that prohibition just took a body blow."

In another sweeping change for Washington, Gov. Chris Gregoire on Wednesday signed into law a measure that legalizes same-sex marriage. The state joins several others that allow gay and lesbian couples to wed.

That law also takes effect Thursday, when gay and lesbian couples can start picking up their wedding certificates and licenses at county auditors' offices. Those offices in King County, the state's largest and home to Seattle, and Thurston County, home to the state capital of Olympia, planned to open the earliest, at 12:01 a.m. Thursday, to start issuing marriage licenses. Because the state has a three-day waiting period, the earliest that weddings can take place is Sunday.

The Seattle Police Department provided this public marijuana use enforcement guidance to its officers via email Wednesday night: "Until further notice, officers shall not take any enforcement action — other than to issue a verbal warning — for a violation of Initiative 502."

Thanks to a 2003 law, marijuana enforcement remains the department's lowest priority. Even before I-502 passed on Nov. 6, police rarely busted people at Hempfest, despite widespread pot use, and the city attorney here doesn't prosecute people for having small amounts of marijuana.

Officers will be advising people to take their weed inside, police spokesman Jonah Spangenthal-Lee wrote on the SPD Blotter. "The police department believes that, under state law, you may responsibly get baked, order some pizzas and enjoy a 'Lord of the Rings' marathon in the privacy of your own home, if you want to."

Washington's new law decriminalizes possession of up to an ounce for those over 21, but for now selling marijuana remains illegal. I-502 gives the state a year to come up with a system of state-licensed growers, processors and retail stores, with the marijuana taxed 25 percent at each stage. Analysts have estimated that a legal pot market could bring Washington hundreds of millions of dollars a year in new tax revenue for schools, health care and basic government functions.

But marijuana remains illegal under federal law. That means federal agents can still arrest people for it, and it's banned from federal properties, including military bases and national parks.

The Justice Department has not said whether it will sue to try to block the regulatory schemes in Washington and Colorado from taking effect.

"The department's responsibility to enforce the Controlled Substances Act remains unchanged," said a statement issued Wednesday by the Seattle U.S. attorney's office. "Neither states nor the executive branch can nullify a statute passed by Congress" — a non-issue, since the measures passed in Washington and Colorado don't "nullify" federal law, which federal agents remain free to enforce.

The legal question is whether the establishment of a regulated marijuana market would "frustrate the purpose" of the federal pot prohibition, and many constitutional law scholars say it very likely would.

That leaves the political question of whether the administration wants to try to block the regulatory system, even though it would remain legal to possess up to an ounce of marijuana.

Colorado's measure, as far as decriminalizing possession goes, is set to take effect by Jan. 5. That state's regulatory scheme is due to be up and running by October 2013.

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Johnson can be reached at https://twitter.com/GeneAPseattle

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Wall Street flat, Apple helps techs to rise

NEW YORK (Reuters) - Stocks drifted near the unchanged mark on Thursday as investors postponed big bets before the November employment report on Friday, but technology stocks rose on gains in Apple and Broadcom.

Monthly payroll numbers, to be released by the Labor Department, are expected to show a sharp slowdown in jobs growth because of superstorm Sandy.

Broadcom boosted other semiconductor companies a day after it forecast fourth-quarter revenue at the high end of its target range due to slightly better-than-expected sales in its mobile business. Shares rose 1.9 percent to $32.97.

The S&P technology index <.gspt> was the best performing of the 10 major S&P sectors, gaining 0.36 percent. The PHLX semiconductor index <.sox> rose 0.5 percent.

Apple was up 1.4 percent after losing as much as 3.7 percent at the open. The stock suffered its biggest one-day drop in four years on Wednesday due to concerns about higher capital gains taxes in 2013 and the company's market share in the tablet market.

Apple Inc's rank in China's smartphone market fell to No. 6 in the third quarter as it faces tougher competition from Chinese brands, research firm IDC said.

Broader moves were limited, however, as traders focused on the "fiscal cliff" debate. About three weeks remain before a series of tax increases and spending cuts would begin that could slow growth. Legislators are trying to come up with a deal to avoid some of the negative effects on the economy while still reducing the U.S. budget deficit.

While Republican leaders in the U.S. House of Representatives insist that raising tax rates on the rich is not negotiable, some GOP lawmakers now see it as inevitable to avoid the fiscal cliff.

"As we get close to the last two weeks, things will pick up," said Gordon Charlop, managing director at Rosenblatt Securities in New York. Congress and the White House will have final discussions near the end of the year about how to handle the "fiscal cliff," he said.

Without action from Congress, tax cuts on capital gains and dividends will expire at the end of 2012, which has contributed to selling certain stocks that have done extremely well in recent years, such as Apple.

The Dow Jones industrial average <.dji> slipped 7.93 points, or 0.06 percent, at 13,026.56. The Standard & Poor's 500 Index <.spx> fell 0.14 point, or 0.01 percent, at 1,409.14. The Nasdaq Composite Index <.ixic> gained 8.31 points, or 0.28 percent, at 2,982.00.

Sirius XM Radio shares rose 1.4 percent to $2.81 after its board approved a $2 billion stock repurchase and declared a special dividend, giving a big payout to its largest shareholder, Liberty Media , which rose 2.3 percent to $108.87.

Garmin shares rose 4.5 percent to $41.49 after Standard & Poor's said it would add the navigation device maker to the S&P 500 index. Garmin will replace R.R. Donnelley & Sons after the close of trading on December 11.

(Editing by Kenneth Barry)

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Military halts clashes as political crisis grips Egypt

CAIRO (Reuters) - Egypt's Republican Guard restored order around the presidential palace on Thursday after clashes killed seven people, but passions ran high in a contest over the country's future.

President Mohamed Mursi had been due to address the nation, but a presidential source said the Islamist leader, criticized by his opponents for his silence in the last few days, might speak on Friday instead. He did not explain the possible delay.

Mursi supporters withdrew before a mid-afternoon deadline set by the Republican Guard, an elite unit whose duties include protecting the palace. Opposition protesters remained, kept away by a barbed wire barricade guarded by tanks, and by evening their numbers had swelled to a few thousand.

The military played a big role in removing President Hosni Mubarak during last year's popular revolt, taking over to manage a transitional period, but had stayed out of the latest crisis.

Thousands of Mursi's Islamist partisans fought protesters well into Thursday's early hours during dueling demonstrations over the president's November 22 decree to expand his powers to help him push through a mostly Islamist-drafted constitution.

Officials said seven people were killed and 350 wounded in the violence, for which each side blamed the other. Six of the dead were Mursi supporters, the Muslim Brotherhood said.

The street clashes reflected a deep political divide in the most populous Arab nation, where contrasting visions of Islamists and their liberal rivals have complicated a struggle to embed democracy after Mubarak's 30 years of one-man rule.

The United States, worried about the stability of an Arab partner which has a peace deal with Israel and which receives $1.3 billion a year in U.S. military aid, has urged dialogue.

Prosecutors investigating the unrest said Brotherhood members had detained 49 wounded protesters and were refusing to release them to the authorities, the state news agency said.

"MILITIA REGIME"

The Brotherhood's spokesman Mahmoud Ghozlan denied this, saying all "thugs" detained by members of the Islamist group had been handed over to the police or the Republican Guard.

Opposition factions called for mass protests after Friday prayers aimed at "the downfall of the militia regime", a dig at what they see as the Brotherhood's organized street muscle.

A communique from a leftist group urged protesters to gather at mosques and squares across Egypt, and to stage marches in Cairo and its sister city Giza converging on the presidential palace. "Egyptian blood is a red line," the communique said.

Hardline Islamist Salafis urged their supporters to protest against what they consider biased coverage of the crisis by some private Egyptian satellite television channels.

The commander of the Republican Guard said deployment of tanks and troop carriers around the presidential palace was intended to separate the adversaries, not to repress them.

"The armed forces, and at the forefront of them the Republican Guard, will not be used as a tool to oppress the demonstrators," General Mohamed Zaki told the state news agency.

Outside Cairo, supporters and opponents of Mursi clashed in his home town of Zagazig in the Nile Delta, state TV reported.

Egypt plunged into renewed turmoil after Mursi issued his November 22 decree and an Islamist-dominated assembly hastily approved a new constitution to go to a referendum on December 15.

Since then six of the president's advisers have resigned. Essam al-Amir, the director of state television, quit on Thursday, as did a Christian official working at the presidency.

The Supreme Guide of the Brotherhood, to which Mursi belonged before he was narrowly elected president in June, appealed for unity. Divisions among Egyptians "only serve the nation's enemies", Mohamed Badie said in a statement.

Rival factions used rocks, petrol bombs and guns in the clashes around the presidential palace.

"GRIP ON THE COUNTRY"

"We came here to support President Mursi and his decisions. He is the elected president of Egypt," said demonstrator Emad Abou Salem, 40. "He has legitimacy and nobody else does."

Opposition protester Ehab Nasser el-Din, 21, his head bandaged after being hit by a rock the day before, decried the Muslim Brotherhood's "grip on the country", which he said would only tighten if the new constitution is passed.

Mursi's opponents accuse him of seeking to create a new "dictatorship". The president says his actions were necessary to prevent courts still full of judges appointed by Mubarak from derailing a constitution vital for Egypt's political transition.

U.N. Human Rights Commissioner Navi Pillay urged the Egyptian authorities to protect peaceful protesters and prosecute anyone inciting violence, including politicians.

"The current government came to power on the back of similar protests and so should be particularly sensitive to the need to protect protesters' rights to freedom of expression and peaceful assembly," Pillay said in Geneva.

The Islamists, who have dominated presidential and parliamentary elections since Mubarak was overthrown, are confident they can win the referendum and the parliamentary election to follow.

Mahmoud Hussein, the Brotherhood's secretary-general, said holding the plebiscite was the only way out of the crisis, dismissing the opposition as "remnants of the (Mubarak) regime, thugs and people working for foreign agendas".

As well as relying on his Brotherhood power base, Mursi may also tap into a popular yearning for stability and economic revival after almost two years of political turmoil.

Egypt's pound hit an eight-year low on Thursday, after previously firming on hopes that a $4.8 billion IMF loan would stabilise the economy. The stock market fell 4.6 percent.

Foreign exchange reserves fell by nearly $450 million to $15 billion in November, indicating that the Central Bank was still spending heavily to bolster the pound. The reserves stood at about $36 billion before the anti-Mubarak uprising.

(Additional reporting by Tom Perry, Edmund Blair and Marwa Awad; Writing by Alistair Lyon; Editing by Peter Graff)

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Apple and Samsung return to court to battle over $1 billion verdict

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Teen Arrested in Bank Robbery Had Bragged of Heist on YouTube

By Johnny Dodd

12/05/2012 at 03:35 PM EST

There are criminal masterminds, and then there's Hannah Sabata.

The 19-year-old high school dropout allegedly knocked off a bank in Nebraska, then posted a YouTube video bragging about it.

"Kind of a strange deal isn't it?" York County Sherriff Dale Radcliff tells PEOPLE.

In her eight-minute video, Sabata doesn't utter a word. Instead, she scribbles handwritten signs detailing her alleged armed robbery of the Cornerstone Bank in Waco, Neb., on Nov. 28, using "a gun, a pillow case, and a note."

During the course of her video, she also describes how she stole a "shiny new" Pontiac Grand Am, which she used as a getaway car after making off with $6,256 in cash.

"I told my mom today was the best day of my life," she writes in the video, while waving hundred-dollar bills in front of the camera. "She just thinks I met a new boy . . . I'm going for a shopping spree. Bite me."

According to police, Sabata is wearing the same clothes she wore when she allegedly handed bank tellers a slip of paper that read: "You are being robbed! NO ALARMS OR LOCKS OR PHONES or INK BAGS! I have a loaded gun. You have 2 minutes."

Sherriff Radcliff notes that law enforcement officials didn't even know about Sabata's video until after her arrest on Nov. 29.

Photographs of the robber, captured by the bank's security cameras, were quickly distributed throughout the community.

"We had lots of leads, but when her ex-husband notified us and said 'That's my ex-wife,' we got an arrest warrant for her," he said.

Sabata is currently being held in a York County jail on $300,000 bond. According to Radcliff, she faces up to 70 years in prison if convicted of armed robbery and auto theft.

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Longer tamoxifen use cuts breast cancer deaths

Breast cancer patients taking the drug tamoxifen can cut their chances of having the disease come back or kill them if they stay on the pills for 10 years instead of five years as doctors recommend now, a major study finds.

The results could change treatment, especially for younger women. The findings are a surprise because earlier research suggested that taking the hormone-blocking drug for longer than five years didn't help and might even be harmful.

In the new study, researchers found that women who took tamoxifen for 10 years lowered their risk of a recurrence by 25 percent and of dying of breast cancer by 29 percent compared to those who took the pills for just five years.

In absolute terms, continuing on tamoxifen kept three additional women out of every 100 from dying of breast cancer within five to 14 years from when their disease was diagnosed. When added to the benefit from the first five years of use, a decade of tamoxifen can cut breast cancer mortality in half during the second decade after diagnosis, researchers estimate.

Some women balk at taking a preventive drug for so long, but for those at high risk of a recurrence, "this will be a convincer that they should continue," said Dr. Peter Ravdin, director of the breast cancer program at the UT Health Science Center in San Antonio.

He reviewed results of the study, which was being presented Wednesday at a breast cancer conference in San Antonio and published by the British medical journal Lancet.

"The result of this trial will have a major, immediate impact on premenopausal women," Ravdin said.

About 50,000 of the roughly 230,000 new cases of breast cancer in the United States each year occur in women before menopause. Most breast cancers are fueled by estrogen, and hormone blockers are known to cut the risk of recurrence in such cases.

Tamoxifen long was the top choice, but newer drugs called aromatase inhibitors — sold as Arimidex, Femara, Aromasin and in generic form — do the job with less risk of causing uterine cancer and other problems.

But the newer drugs don't work well before menopause. Even some women past menopause choose tamoxifen over the newer drugs, which cost more and have different side effects such as joint pain, bone loss and sexual problems.

The new study aimed to see whether over a very long time, longer treatment with tamoxifen could help.

Dr. Christina Davies of the University of Oxford in England and other researchers assigned 6,846 women who already had taken tamoxifen for five years to either stay on it or take dummy pills for another five years.

Researchers saw little difference in the groups five to nine years after diagnosis. But beyond that time, 15 percent of women who had stopped taking tamoxifen after five years had died of breast cancer versus 12 percent of those who took it for 10 years. Cancer had returned in 25 percent of women on the shorter treatment versus 21 percent of those treated longer.

Tamoxifen had some troubling side effects: Longer use nearly doubled the risk of endometrial cancer. But it rarely proved fatal, and there was no increased risk among premenopausal women in the study — the very group tamoxifen helps most.

"Overall the benefits of extended tamoxifen seemed to outweigh the risks substantially," Dr. Trevor Powles of the Cancer Centre London wrote in an editorial published with the study.

The study was sponsored by cancer research organizations in Britain and Europe, the United States Army, and AstraZeneca PLC, which makes Nolvadex, a brand of tamoxifen, which also is sold as a generic for 10 to 50 cents a day. Brand-name versions of the newer hormone blockers, aromatase inhibitors, are $300 or more per month, but generics are available for much less.

The results pose a quandary for breast cancer patients past menopause and those who become menopausal because of their treatment — the vast majority of cases. Previous studies found that starting on one of the newer hormone blockers led to fewer relapses than initial treatment with tamoxifen did.

Another study found that switching to one of the new drugs after five years of tamoxifen cut the risk of breast cancer recurrence nearly in half — more than what was seen in the new study of 10 years of tamoxifen.

"For postmenopausal women, the data still remain much stronger at this point for a switch to an aromatase inhibitor," said that study's leader, Dr. Paul Goss of Massachusetts General Hospital. He has been a paid speaker for a company that makes one of those drugs.

Women in his study have not been followed long enough to see whether switching cuts deaths from breast cancer, as 10 years of tamoxifen did. Results are expected in about a year.

The cancer conference is sponsored by the American Association for Cancer Research, Baylor College of Medicine and the UT Health Science Center.

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Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP

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Dow, S&P rebound on banks, but Nasdaq sours with Apple

NEW YORK (Reuters) - Stocks mostly rose on Wednesday, boosted by a rally in bank shares, though a steep drop in Apple limited the advance and kept the Nasdaq in negative territory.

Trading was volatile, with the S&P 500 dropping into negative territory at one point and the Nasdaq falling more than 1 percent before rebounding. The Dow, which doesn't contain Apple Inc as a component, climbed 1 percent by midday.

Apple, the largest U.S. company by market capitalization and a big weight in both the S&P 500 and the Nasdaq, fell 4.7 percent to $548.88. Apple is down more than 22 percent from an all-time high reached in late September.

The S&P 500 reversed course after briefly falling below the 1,400 level, seen as a key support point over the past two weeks.

"There's still psychological interest in buying the market," said John Brady, managing director at R.J. O'Brien & Associates in Chicago. At the 1,400 level, "we find again ‘dip buyers' there. They strongly believe a deal (on the fiscal cliff) is going to get done."

For several weeks, investors have reacted quickly to whiffs of sentiment from Washington in headlines about negotiations between the White House and congressional leaders over a deal on how to avoid the "fiscal cliff" - a series of mandatory spending cuts and tax increases effective in early January that could push the U.S. economy into recession next year.

President Barack Obama told the Business Roundtable, a group of chief executives, on Wednesday that a fiscal cliff deal was possible "in about a week" if Republicans acknowledged the need to raise taxes on the wealthiest Americans.

The Dow Jones industrial average <.dji> was up 115.44 points, or 0.89 percent, at 13,067.22. The Standard & Poor's 500 Index <.spx> was up 5.71 points, or 0.41 percent, at 1,412.76. But the Nasdaq Composite Index <.ixic> was down 13.75 points, or 0.46 percent, at 2,982.94.

Apple's slide weighed heavily on the Nasdaq. Market participants cited a host of reasons for the drop in the iPad maker's stock, including a consultant's report about the company losing share in the tablet market and reports that margin requirements had been raised by at least one clearing firm.

Apple has "to hit another home run to get $700 again," said Brian Battle, director of trading at Performance Trust Capital Partners in Chicago. "They need another new product that hits it out of the park. Without that, they could get a gradual grind-down in confidence ... this is not going to be a short-term trend."

On the upside, The Travelers Cos Inc rose 5.1 percent to $74.111 and ranked as the Dow's top gainer after the property and casualty insurance company said its preliminary estimate of net losses from Superstorm Sandy was about $650 million after tax.

Banks were also strong, with the S&P financial sector index <.gspf> climbing 1.5 percent. The rally was led by a 7.3 percent climb in Citigroup to $36.79 after the company said it would cut 4 percent of its workforce in a cost-cutting move. The KBW Bank Index <.bkx> rose 2 percent.

Bank of America shares shot up 6.1 percent to $10.51, just a touch off a new 52-week high at $10.52.

Freeport-McMoRan Copper & Gold Inc fell 15.2 percent to $32.47 as the S&P 500's biggest percentage decliner. The company said it was acquiring Plains Exploration & Production Co and McMoRan Exploration Co in two separate deals for $9 billion in cash and stock in a major expansion into energy.

McMoRan Exploration soared 83.6 percent to $15.53 and Plains Exploration & Production surged 24.4 percent to $44.83.

Economic data from payrolls processor ADP showed U.S. private-sector hiring took a hit in November due to the impact of Superstorm Sandy, which ravaged consumers and businesses in the Northeastern United States, but the huge services sector kept expanding albeit at a modest pace, according to the Institute for Supply Management.

(Additional reporting by Rodrigo Campos; Editing by Jan Paschal)

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Clashes erupt in Egypt despite proposal to end crisis

CAIRO (Reuters) - Islamists fought protesters outside the Egyptian president's palace on Wednesday, while inside the building his deputy proposed a way to end a crisis over a draft constitution that has split the most populous Arab nation.

Stones and petrol bombs flew between opposition protesters and supporters of President Mohamed Mursi, and the Interior Ministry said 32 people had been arrested and three police vehicles destroyed.

Two Islamists were hit in the legs by what their friends said were bullets fired during clashes in streets around the compound in northern Cairo. One of them was bleeding heavily. And a leftist group said Islamists had cut off the ear of one of its members.

Medical sources said 33 people had been wounded, but despite reports of fatalities, the Health Ministry said there had been no deaths.

Riot police were deployed between the two sides in Cairo to try to stop confrontations that flared after dark despite an attempt by Vice President Mahmoud Mekky to ease the crisis.

Mekky said amendments to disputed articles in the draft constitution could be agreed with the opposition. A written agreement could then be submitted to the next parliament, to be elected after a referendum on the constitution on December 15.

"There must be consensus," he told a news conference, saying opposition demands had to be respected to reach a solution.

Prime Minister Hisham Kandil called for calm to "give the opportunity" for efforts underway to start a national dialogue.

Facing the gravest crisis of his six-month-old tenure, Mursi has shown no sign of buckling to the protests, confident that Islamists can win the referendum and a parliamentary election to follow.

Many Egyptians yearn for an end to political upheaval that began with the overthrow of Hosni Mubarak in February 2011 and which has hurt the economy as investors and tourists have fled.

Protests spread to other cities, and offices of the Brotherhood's political party in Ismailia and Suez were torched.

Egypt's opposition coalition blamed Mursi for the violence and said it was ready for dialogue if the Islamist leader scrapped a decree he issued on November 22 that gave him wide powers and shielded his decisions from judicial review.

DIALOGUE

"We hold President Mursi and his government completely responsible for the violence happening in Egypt today," opposition coordinator Mohamed ElBaradei told a news conference.

"We are ready for dialogue if the constitutional decree is cancelled ... and the referendum on this constitution is postponed," he said of the document written by an Islamist-led assembly that the opposition says ignores its concerns.

But liberals, leftists, Christians, ex-Mubarak followers and others opposed to Mursi have yet to generate a mass movement or a grassroots base to challenge the Brotherhood, which has come out on top in two elections since Mubarak's overthrow.

"Today what is happening in the Egyptian street, polarisation and division, is something that could and is actually drawing us to violence and could draw us to something worse," said ElBaradei, the former head of the U.N. nuclear watchdog.

Opposition leaders have previously urged Mursi to retract the November 22 decree, defer the referendum and agree to revise the constitution, but have not echoed calls from street protesters for his overthrow and the "downfall of the regime".

Mursi has said his decree was needed to prevent courts still full of judges appointed by ousted strongman Hosni Mubarak from derailing a constitution vital for Egypt's political transition.

Earlier on Wednesday Islamist supporters of Mursi tore down tents erected outside the presidential palace by leftist foes who had begun a sit-in there.

"They hit us and destroyed our tents. Are you happy, Mursi? Aren't we Egyptians too?" asked protester Haitham Ahmed.

Mohamed Mohy, a pro-Mursi demonstrator who was filming the scene, said: "We are here to support our president and his decisions and save our country from traitors and agents."

Mekky said street mobilisation by both sides posed a "real danger" to Egypt. "If we do not put a stop to this phenomenon right away ... where are we headed? We must calm down."

CALLS FOR RESTRAINT

U.S. Secretary of State Hillary Clinton weighed into Egypt's political debate, saying dialogue was urgently needed on the new constitution, which should "respect the rights of all citizens".

Clinton and Mursi worked together last month to broker a truce between Israel and Hamas Islamists in the Gaza Strip.

Washington is worried about rising Islamist power in Egypt, a staunch U.S. security partner under Mubarak, who preserved the U.S.-brokered peace treaty Cairo signed with Israel in 1979.

British Foreign Secretary William Hague called for restraint on all sides. He said Egypt's authorities had to make progress on the transition in an "inclusive manner" and urged dialogue.

The Muslim Brotherhood had summoned supporters to an open-ended demonstration at the presidential palace, a day after about 10,000 opposition protesters had encircled it for what organizers dubbed a "last warning" to Mursi.

State institutions, with the partial exception of the judiciary, have mostly fallen in behind Mursi.

The army, the muscle behind all previous Egyptian presidents in the republic's six-decade history, has gone back to barracks, having apparently lost its appetite to intervene in politics.

In August Mursi sacked Mubarak-era army commander and defense minister Mohamed Hussein Tantawi and removed the sweeping powers that the military council, which took over after Mubarak fell, had grabbed two months earlier.

Investors have seized on hopes that Egypt's turbulent transition, which has buffeted the economy for two years, may soon head for calmer waters, sending stocks 1.6 percent higher after a 3.5 percent rally on Tuesday.

Egypt has turned to the IMF for a $4.8 billion loan after the depletion of its foreign currency reserves. The government said on Wednesday the process was on track and its request would go to the IMF board as expected.

The board is due to review the facility on December 19.

Elijah Zarwan, a fellow with the European Council on Foreign Relations, said that if Egypt was to find a compromise solution to its crisis, it would not be through slogans and blows.

"It will be through quiet negotiation, not through dueling press conferences, street brawls, or civil strife," he said.

(Additional reporting by Tom Perry and Tamim Elyan; Writing by Alistair Lyon and Edmund Blair; Editing by Andrew Roche and Will Waterman)

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