GRAND PRAIRIE, Texas -- Grand Prairie police are on the hunt for a restaurant robber with a brutal punch. The attack happened Monday night at the McDonald's in the 800 block of E. Main Street. Wayne Moore, 66, stopped at McDonalds on his way home from a ball game. Surveillance video shows another man at the register knocking Moore out cold. The robber then rifles through Moore's pockets and runs out with his wallet. Moore said the incident took him by complete surprise. "The next thing I know, it's paramedics and police. I never saw him coming. Cheap shot all...