Defense Secretary Donald Rumsfeld told U.S. troops in Qatar on Monday that the conflict in Iraq marked a turning point in the history of warfare. Margaret Warner examines this change with military experts Lucian Truscott IV, James Dunnigan, Winslow Wheeler,…

U.S. soldiers fired on Iraqis at a demonstration in Fallujah after some crowd members shot at troops, U.S. officers said Tuesday. According to the Red Cross and a local hospital director, troops killed 15 people and wounded some 75 others.