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Former Italian President Giorgio Napolitano (C) speaks with former Prime Minister Mario Monti (R) on January 31, 2015 at the Italian Parliament in Rome during the fourth round of vote for the election of a new President, after Giorgio Napolitano resigned on January 14. Italian Prime Minister Matteo Renzi backed a little-known Constitutional Court judge, whose brother was slain by the mafia, to be Italy's next president. White-haired Sicilian Sergio Mattarella, 73, will be supported by Renzi's ruling Democratic Party in a multi-round election to produce a successor to the recently retired Giorgio Napolitano on January 31, the premier said ahead of an inconclusive first vote. AFP PHOTO / ANDREAS SOLARO (Photo credit should read ANDREAS SOLARO/AFP/Getty Images)

Former Italian President Giorgio Napolitano (C) speaks with former Prime Minister Mario Monti (R) on January 31, 2015 at the Italian Parliament in Rome during the fourth round of vote for the election of a new President, after Giorgio Napolitano resigned on January 14. Italian Prime Minister Matteo Renzi backed a little-known Constitutional Court judge, whose brother was slain by the mafia, to be Italy's next president. White-haired Sicilian Sergio Mattarella, 73, will be supported by Renzi's ruling Democratic Party in a multi-round election to produce a successor to the recently retired Giorgio Napolitano on January 31, the premier said ahead of an inconclusive first vote.  AFP PHOTO / ANDREAS SOLARO        (Photo credit should read ANDREAS SOLARO/AFP/Getty Images)