A Muslim man holds a sign declaring "USA your ridiculous film is an act of hatred of Islam", in front of a police cordon during a protest against a film produced in the U.S. that they say insults the Prophet Muhammad, in Athens, Sun. 23, 2012. The protesters tried to march to the U.S. Embassy, but riot police blocked all exits from the square and used tear gas to disperse the protesters. It is the first such protest against the film by Muslims in Greece.(AP Photo/Kostas Tsironis)
