Military probes possible "white power" hand signs at Army-Navy game

US military officials said they are investigating an incident where army and navy students used hand signs that can signal white power during a television broadcast.The symbol was shown by two West Point cadets and a Naval Academy midshipman during festivities televised live by ESPN Saturday before a football game in Philadelphia between the army and navy.Military officials told the Wall Street Journal the motive behind the hand gestures is being investigated.