Vietnam service decades ago puts veterans on both sides on Iraq

Mike Marceau and O.P. Ditch both served in the Vietnam War. But one's dedication to the military mission became the other's disillusion. The conflict set them on profoundly different paths in life, propelled them into activism over the war in Iraq and deposited them on opposite sides of the barricades at this month's antiwar march on the Pentagon...

With the war in Iraq going on for four years, Vietnam vets on both sides of the issue have begun to take leading roles in trying to shape public opinion and direct its course. But which side they take, which reports they believe and whom they trust depends largely on how they fared in the crucible that divided the country more than three decades ago.