Meet "Jessie MacBeth." He's the latest cause celebre of the anti-war Left -- a "former Army Ranger and Iraq war veteran" who accuses his fellow troops of committing a litany of atrocities against innocent civilians. Anti-Vietnam War veteran John Kerry and the Winter Soldiers cast a long shadow. In his 20-minute Internet video interview at peacefilms.org, which promises that watching the video "will change your life," MacBeth (who also claims to have served in Special Forces) says: --Superiors told him "our job over there is to strike fear in the hearts of the Iraqis . . . to be brutal...