A Green Beret who may be pushed out of the Army for beating up an alleged child rapist sees a parallel between the U.S. military's failure to stop child rape in Afghanistan and a scandal at home: The abuse of children in the Penn State University football program. Sgt. 1st Class Charles Martland, a former college football player, made the comparison in a letter sent to Rep. Duncan Hunter, R.-Calif., Tuesday night and released to The Washington Post. It comes as he faces the possibility of involuntary separation for his actions in September 2011, when he and his commanding officer,...