TOLEDO, Ohio -- An elite unit of American soldiers killed hundreds of unarmed villagers in 1967 during the Vietnam War, and an Army investigation was closed with no charges filed, the Toledo Blade reported Sunday. Soldiers of the Tiger Force unit of the Army's 101st Airborne Division dropped grenades into bunkers where villagers -- including women and children -- hid, and shot farmers without warning, the Ohio newspaper reported. Soldiers told the Blade that they severed ears from the dead and strung them on shoelaces to wear around their necks. The Army's 41/2-year investigation, never before made public, was initiated...