Mixed martial arts used to be called cage fighting, extreme fighting, no holds barred fighting. John McCain once called it human cockfighting. But Senator McCain has since changed his mind, and the sport has now gone mainstream.
But who would ever want to step into a caged ring and exchange punches, kicks and choke holds with another person until you couldn't go on?
Aaron Stark is a professional mixed martial artist. He's college-educated, a member of MENSA and works at his family's Oregon vineyard. He talks to Dick Gordon about how what's most appalling about the sport is also what's most appealing.