Americans Forces Strike Fallujah BAGHDAD, Iraq - American forces bombed a suspected hide-out used by the militant group of Abu Musab al-Zarqawi in Fallujah on Tuesday, and the military said its frequent strikes have taken a toll on the leadership of the Jordanian-born terror leader's network.    But in a sign of strength, dozens of militants - some waving banners of al-Zarqawi's Tawhid and Jihad group - drove freely through the streets of another central Iraqi city, Samarra, where U.S...