AN EXPEDITIONARY CAMP IN WESTERN KUWAIT, March 17, 2003 -- Largely unaccustomed to city fighting and well aware of its heavy risks, the U.S. Army and Air Force in coming days may be faced with the prospect of unseating a hostile regime in Iraq's capital city. To get prepared, the land and air components have agreed they would attack Baghdad by adapting a warfighting approach traditionally used when jet aircraft fly in support of heavy tanks on the ground, U.S. officers tell InsideDefense.com. As in past wars, responsibility for coordinating "close air support" for ground units engaged with enemy forces...