Silvio Berlusconi

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Former Italian Premier Silvio Berlusconi casts his ballot in Milan on Sunday, Feb. 24, 2013. Italy voted in a watershed parliamentary election Sunday and Monday that could shape the future of one of Europe's biggest economies. (AP Photo/Antonio Calanni)

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Italian Premier Mario Monti (left) and former Premier Silvio Berlusconi shake hands in Milan on Sunday, Jan. 27, 2013. (AP Photo/Antonio Calanni)

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Karima el-Mahroug, the Moroccan woman at the center of ex-Italian Premier Silvio Berlusconi's sex-for-hire trial, sits in a courtroom in Milan on Monday, Jan. 14, 2013. (AP Photo/Luca Bruno)

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Italian Premier Mario Monti said during a news conference in Rome on Sunday, Dec. 23, 2012, that he won't take up former Prime Minister Silvio Berlusconi's offer to run on a center-right election ticket, citing Mr. Berlusconi's heavy criticism of his economic policies. (AP Photo/Mauro Scrobogna, Lapresse)

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Italian Premier Silvio Berlusconi votes over a crucial euro70 billion ($99 billion) austerity package aimed at convincing investors that the eurozone's third-largest economy won't be swept into the debt crisis, at the lower house of parliament, in Rome (Foto vom 15.07.11)

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** FILE ** In this photo released on Thursday, Oct. 25, 2012, former Italian premier Silvio Berlusconi tapes a video message where he announces he will not run for a fourth term as premier in spring elections. (AP Photo/Livio Anticoli, Berlusconi press office)

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Delphine Pando, lawyer for Closer magazine, leaves a court Sept, 17, 2012, in Nanterre, France, where lawyers for the British royal family sought an injunction against the Mondadori publishing house, owned by former Premier Silvio Berlusconi, which published a 26-page spread of topless photos of Prince William's wife Kate. (Associated Press)

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Former Italian Premier Silvio Berlusconi leaves his residence of Palazzo Grazioli in Rome, Saturday, Feb. 25, 2012. (AP Photo/Gregorio Borgia)

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Italian Prime Minister Mario Monti (left) receives a small bell from former Prime Minister Silvio Berlusconi after the swearing-in ceremony at the prime minister's office at Chigi Palace in Rome on Wednesday. The bell is used by the prime minister to call attention during Cabinet meetings. (Associated Press)

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Italian Prime Minister Mario Monti (left) receives a small bell from former Prime Minister Silvio Berlusconi after the swearing-in ceremony at the prime minister's office at Chigi Palace in Rome on Wednesday. The bell is used by the prime minister to call attention during Cabinet meetings. (Associated Press)