Willis Hargrain, a 55-year old resident of Anderson, South Carolina, was charged today in the death of his neighbor, J. Mundy Catwalls on July 1. Hargrain, asked Catwalls, age 58, if it was “Hot enough for ya?” on a sweltering 106-degree day. Catwalls convulsed with laughter, literally laughing himself to death. Local law enforcement immediately…