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.

Hans Blix argued that an international organization should conduct the disarmament of Iraq. Margaret Warner follows up with Stephen Black, who went on 15 inspections in Iraq as an inspector for UNSCOM; and George Lopez, director of policy studies at…