Darren Manzella, a gay combat medic discharged from the Army after criticizing the military’s “don’t ask, don’t tell” policy in a 2007 television interview, has died in a traffic accident in western New York. He was 36. His aunt, Robin Mahoney, on Friday confirmed his death. Manzella lived in the Chautauqua County town of Portland; he and his partner were married in July. …