ITALY/

Italy's Prime Minister Silvio Berlusconi waves to onlookers as he arrives for the second day of the G20 Summit in Cannes, in this November 4, 2011 file photo. Berlusconi said on Tuesday he would resign after suffering a humiliating setback in parliament that showed a party revolt had stripped him of a majority. REUTERS/Charles Platiau/Files (FRANCE - Tags: POLITICS BUSINESS)