Defiant to the end, Saddam Hussein mocked Shiite cleric Muqtada al-Sadr moments before he was hanged, a witness said Saturday. The Iraqi government executed Hussein before dawn as punishment for his role in a massacre of his own people, more than two decades before he was toppled by a U.S.-led invasion. A video of the execution broadcast on Al-Iraqiya state television showed Hussein, dressed in a black overcoat, being led into a room by three masked guards. (Watch noose placed around Hussein's neck -- graphic content, viewer discretion advised ) A witness, Iraqi Judge Munir Haddad, said that one of...