British police officers escort an man to a waiting police van after he heckled former British Prime Minister Tony Blair poses as he was giving evidence at the Leveson media inquiry at the Royal Courts of Justice in central London, Monday, May 28, 2012. The Leveson inquiry is Britain's media ethics probe that was set up in the wake of the scandal over phone hacking at Rupert Murdoch's News of the World, which was shut in July 2011 after it became clear that the tabloid had systematically broken the law. (AP Photo/Alastair Grant)

Smoke rises above the Villaggio Mall, in Doha's west end, as a fire took hold of the upscale mall in the Qatari capital of Doha Monday May 28, 2012. Qatar's Interior Ministry said 13 children were among 19 people killed in a fire that broke out at one of the Gulf state's fanciest shopping mall on Monday. The Villaggio opened in 2006 and is one of Qatar's most popular shopping and amusement destinations. It includes an ice skating rink and indoor Venice-style gondola rides. (AP Photo/Osama Faisal)

A woman walks past displays at the Stock Exchange in Athens on Friday, May 25, 2012. Uncertainty over Greece's future in the eurozone has hammered markets ahead of June 17 general elections in the crisis-hit country. Shares on the Athens Stock Exchange hit a new 22-year low Thursday, closing down 4.53 percent despite gains made elsewhere in Europe. (AP Photo/Thanassis Stavrakis)

In this photo taken late Friday, May 25, 2012, flames rise from a warehouse of the Mexican potato-chip company Sabritas, in Lazaro Cardenas, Mexico. Over the weekend, unidentified gunmen launched a series of coordinated attacks against the company's installations in the western state of Michoacan in what has been described as the most violent and concerted attack on a private transnational company in the country's 5 ½-year drug war. Sabritas is a subsidiary of PepsiCo. (AP Photo)

In this image taken from undated CCTV video, Facebook founder Mark Zuckerberg and his now-wife, Priscilla Chan, appear in a Chinese TV documentary about the country’s police force. The footage shows the couple wearing the same clothes they were photographed in during a March 27, 2012 visit to Shanghai. (AP Photo/CCTV)

In this image taken from undated CCTV video, Facebook founder Mark Zuckerberg and his now-wife, Priscilla Chan, appear in a Chinese TV documentary about the country’s police force. The footage shows the couple wearing the same clothes they were photographed in during a March 27, 2012 visit to Shanghai. (AP Photo/CCTV)

Joe Oldenkamp walks out of the liquor store in Naches, Wash., Friday, May 18, 2012. Many customers at the store have been stocking up in advance of June 1 liquor privatization in Washington state in case prices increase. (AP Photo/Shannon Dininny)

A Liberal Libertario party memeber offers dollars at a rate of 5 Argentine pesos to protest against the lack of freedom, such as the right to freely dispose of their own money, in Buenos Aires, Argentina, Monday, May 28, 2012. Argentina is making it harder for people to buy U.S. dollars to pay for travel abroad. A new rule published Monday says anyone wanting to buy dollars for travel must first prove their money was obtained legally, and provide the tax agency with trip details including why, when and where they are traveling. President Cristina Fernandez is cracking down to keep hard currency from flowing out of Argentina, which needs the dollars to maintain its central bank reserves and pay debts. (AP Photo/Natacha Pisarenko)

Holding jewelry made by young entrepreneur Lenique Louis, British Prime Minister David Cameron, right, talks to her at the Prince's Trust headquarters in London as part of the government's launch of StartUp loans initiative and publication of Lord Young's report on enterprise, Monday, May 28, 2012. (AP Photo/Sang Tan, Pool)

Visitors pose for pictures under the main display at the Stock Exchange in Madrid, Monday, May 28, 2012. Conservative Spanish Prime Minister Mariano Rajoy was adamant Monday that Spain's bank sector would not need an international rescue as concern over the bailout fund for nationalized lender Bankia sent that bank's stock price plummeting while Spain's borrowing costs soared. (AP Photo/Daniel Ochoa de Olza)

FILE - In this Sept. 16, 2010 file photo, David Simon, CEO of Indianapolis-based Simon Property Group speaks at the Economic Club of Indiana's speaker series luncheon at the Indiana Convention Center in Indianapolis. Simon is the highest paid CEO at a publicly held company in America in 2011, according to calculations by Equilar, an executive compensation data firm, and The Associated Press. The Associated Press formula calculates an executive's total compensation during the last fiscal year by adding salary, bonuses, perks, above-market interest the company pays on deferred compensation and the estimated value of stock and stock options awarded during the year. (AP Photo/The Indianapolis Star, Charlie Nye, File)

Visitors pose for pictures under the main display at the Stock Exchange in Madrid, Monday, May 28, 2012. Conservative Spanish Prime Minister Mariano Rajoy was adamant Monday that Spain's bank sector would not need an international rescue as concern over the bailout fund for nationalized lender Bankia sent that bank's stock price plummeting while Spain's borrowing costs soared. (AP Photo/Daniel Ochoa de Olza)

Brokers talk, while screens display Spain's Prime Minister Mariano Rajoy speech, at the Stock Exchange in Madrid, Monday, May 28, 2012. Shares in Spanish bank Bankia, one of the banks hardest hit by Spain's real estate collapse over the past four years, fell 28 per cent on opening in Madrid on Monday, the bank's first day back on the stock exchange following its announcement Friday that it would need Euro 19 billion ($23.8 billion) bailout to bolster its defenses.(AP Photo/Daniel Ochoa de Olza)

FILE In this June 16, 2008 file photo Russian tycoon Mikhail Fridman speaks at a news conference in Moscow. Russian tycoon Mikhail Fridman on Monday May 28, 2012 unexpectedly announced his resignation as chief executive of TNK-BP, the Russian venture of British oil company BP. TNK-BP said in a statement that Fridman has submitted a letter of resignation as CEO and chairman of the management board and is due to step down in 30 days. It did not specify the reason, but BP's representative in Russia, Vladimir Buyanov, said Fridman left the company for "personal reasons." (AP Photo/Alexander Zemlianichenko)

ADVANCE FOR TUESDAY, MAY 29, 2012, AND THEREAFTER - In this image taken May 23, 2012, Dr. Manesh Patel, an interventional cardiologist at Duke Heart Center, speaks with resident doctors at Duke University Hospital in Durham, N.C. Patel is participating in a research study of a way to treat high blood pressure by threading a catheter to the kidney and zapping nearby nerves that fuel blood pressure. Duke is one of more than 60 hospitals taking part in the clinical trial of what’s called renal denervation. (AP Photo/Gerry Broome)

Rajai S. El-Khadem, Microsoft Manager of Business Development for Emerging Markets speaks to the media in Baghdad, Iraq, Monday, May 28, 2012. Microsoft Corp. says it has appointed a local company to distribute its products in Iraq in what it says is a sign of growth for the war-plagued country. (AP Photo/Khalid Mohammed)