BAGHDAD, Iraq - A military investigation into allegations that U.S. troops intentionally killed Iraqi civilians in a March raid in Ishaqi, a village north of Baghdad, has cleared the troops of misconduct, the military said Friday — despite dramatic video footage of slain children. Meanwhile, a lawyer representing families of some of the two dozen unarmed Iraqi civilians allegedly killed by U.S. Marines in the western town of Haditha on Nov. 19 said three or four Marines carried out the shootings while 20 more waited outside the homes. He also said victims' relatives turned down a request by U.S. investigators...