In its short life, the opposition Partito Democratico (PD) has not had an easy or successful run and, hardly two years old, it is again working hard to define its identity: left or centre, Catholic or secular or somewhere in between. Next March there are regional elections and then there is the long-shot possibility that the prime minister Silvio Berlusconi will resign and force president Giorgio Napolitano to call early elections. The PD has been in a state of limbo since last February when the party