Sending in the 'Shahwanis' U.S. Marines build their own Iraqi militia to help them go against the insurgents By Ilana Ozernoy CAMP FALLUJAH, IRAQ--On the outskirts of this U.S. Marine base in hostile Anbar province west of Baghdad, an Iraqi military chant in Arabic cuts through the hazy stillness of the afternoon. "I'm a bayonet, and my strike is hard! I'm ready for death, not for shame!" shout a group of Iraqi men in military garb, their arms swinging and knees pumping to the beat of the song as they march in haphazard formation. "We're the Iraqi marines!" declares one...