Italy's PD leader Pierluigi Bersani speaks during a news conference following a meeting with Italian President Napolitano at the Quirinale Presidential palace in RomeBy means of James Mackenzie and Barry Moody ROME (Reuters) – Center-left chief Pier Luigi Bersani has failed in his attempt to be able out of Italy's political deadlock and President Giorgio Napolitano will now are searching for another resolution, the president's palace mentioned on Thursday. Bersani reported back to Napolitano on Thursday night after being given a mandate virtually every week in the past to peer if he may muster enough improve to kind a govt after the inconclusive election in February. …