FLORENCE, ITALY - DECEMBER 02: Italian Prime Minister Matteo Renzi officially closes the national campaign for the 'Yes' vote in the constitutional referendum at Piazza della Signoria on December 2, 2016 in Florence, Italy. The result of the governmental referendum that will change the Constitution is considered crucial for the political future of Italy and for the personal future of its Prime Minister. It will be held on December 4, 2016. (Photo by Laura Lezza/Getty Images)
