There were a lot of emotions when I found out that my colleague Greg Rosenstein, a fully formed adult with access to technology, had never watched “Bloodsport.” There was, of course, shock. There was ...

Frank William Dux (born April 6, 1956) is a Canadian-American martial artist, fight choreographer and author. According to Dux, a ninjutsu expert named Senzo Tanaka trained him as a ninja when he was ...