Rebel fighters trample on a head of Moammar Gadhafi inside the main compound in Bab al-Aziziya in Tripoli, LIbya, today. Libyan rebels stormed Moammar Gadhafi's main military compound in Tripoli Tuesday after fierce fighting with forces loyal to his regime that rocked the capital as the longtime leader refused to surrender despite the stunning advances by opposition forces. (AP Photo/Sergey Ponomarev)