Thematically strong, but executed with little gusto. "If you don't like the treatment, then don't rob banks" J.D. Cahill is a fearsome Marshal, his reputation goes before him where ever he roams, but when his two sibling boys decide to get his attention by way of joining a gang and then robbing a bank, he is perhaps faced with his toughest challenge. This is not a great John Wayne film, in fact it's…