WASHINGTON, Nov. 16, 2007 – When Marine Staff Sgt. John Costa arrived in Ramadi, Iraq, in August 2006, U.S. troops walked the city streets in daylight at their peril. Marine Staff Sgt. John Costa is one of 10 servicemembers selected to tell the military’s story to the American people at community and business events, veterans organizations and other gatherings as part of the Defense Department’s “Why We Serve” public outreach program. Defense Department photo (Click photo for screen-resolution image);high-resolution image available. “The place was one of the worst cities in Iraq, if not the worst. You could not conduct foot-borne...