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ROME, ITALY - FEBRUARY 03: Newly elected President of Italian Republic Sergio Mattarella (R) shakes the hand of Italy's Premier Matteo Renzi at Quirinale on February 3, 2015 in Rome, Italy. (Photo by Handout/Getty Images)

ROME, ITALY - FEBRUARY 03:  Newly elected President of Italian Republic Sergio Mattarella (R) shakes the hand of Italy's Premier Matteo Renzi at Quirinale on February 3, 2015 in Rome, Italy.  (Photo by Handout/Getty Images)