The antiwar GIs Today, there are echoes of the Vietnam experience in the protracted Iraq war -- including a growing protest movement in the military. Its trappings are starkly different this time. Rather than insubordination and violence, it has formed around a form-letter campaign, presumably conducted within the bounds of military regulations that restrict what soldiers are allowed to say. Last week, a group of current troops, with support from a handful of antiwar organizations, announced plans to petition Congress with a collection of "appeals for redress," which call for an immediate withdrawal from Iraq Salon