WASHINGTON — Marine medics in Iraq are more likely to face serious injury or death than are the riflemen they’re working to help, according to the assistant commandant. Gen. Robert Magnus said Tuesday that statistics from Corps health officials show that the job of the combat medic, or Navy corpsman, is among the most dangerous in the war, in large part because of the situations they put themselves in. “They’re literally moving in and moving out of the fight to get to their patients,” he said. “They’re among the first to go into battle, and they’re right in the middle...