Berlusconi resigns

Italian Prime Minister Silvio Berlusconi leaves the Quirinale, the presidential palace, after meeting with Italian President Giorgio Napolitano, in Rome, Saturday. Berlusconi resigned after Parliament’s lower chamber passed reforms demanded by the European Union.  (Roberto Monaldo / Associated Press)

Police in Rome hold back people celebrating outside the Quirinale, the presidential palace. The placard at center reads “ Today is the 25th of April,â€� referring to the national liberation day, after news spread of Prime Minister Premier Silvio Berlusconi‘s resignation during a meeting with Italian President Giorgio Napolitano.  (Gregorio Borgia / Associated Press)

A man, waiting for the end of a Parliament session in Rome shows a mock magazine cover depicting resigning Prime Minister Silvio Berlusconi, in Rome.  (Riccardo De Luca / Associated Press)

People celebrate outside the Quirinale, the presidential palace in Rome, after news spread of Prime Minister Silvio Berlusconi‘s resignation during a meeting with Italian President Giorgio Napolitano.  (Andrew Medichini / Associated Press)

People celebrate in front of the Quirinale, the presidential palace in Rome, as Italian Prime Minister Silvio Berlusconi formally submits his resignation to ItalyÂ’s president.  (Vincenzo Pinto / AFP/Getty Images)

Italian Prime Minister, Silvio Berlusconi (R), waves during a session of the Italian Parliament, which passed reform measures he promised to the European Union, in Rome. Berlusconi later resigned.  (Maurizio Brambatti / EPA)