SALERNO, ITALY - MAY 22:  Democratic Party candidate Vincenzo De Luca shakes hands with Italian Prime Minister Matteo Renzi during a party conference at the hotel Mediterranean for the Prime Minister's visit to Salerno, as part of the campaign for the government of the region of Campania for Democratic Party candidate Vincenzo De Luca on May 22, 2015 in Salerno, Italy.  The Campania regional election will take place on 31 May 2015.  (Photo by Ivan Romano/Getty Images)