ROME, ITALY - JANUARY 31:  Leader of the 'Left, Ecology, Freedom' party (SEL) Nichi Vendola (L) and former Secretary of the PD (Democratic Party)  Pierluigi Bersani (R) attend the fourth session of vote for new President of Republic at the Italian Parliament Palazzo Montecitorio on January 31, 2015 in Rome, Italy.  Sicilian judge Sergio Mattarella becomes Italy's 12th president and replaces 89-year-old Giorgio Napolitano, who resigned on January 14 due to age.  (Photo by Franco Origlia/Getty Images)