University of Wisconsin football coach Bret Bielema made an admittedly risky move when he replaced a veteran offensive line coach in Mike Markuson with an unproven graduate assistant in Bart Miller. It has the makings of a boom-or-bust decision, something capable of turning around the Badgers? season, or blowing up in Bielema?s face. When asked during his Monday news conference for the worst-case scenario, Bielema said, “We don?t get better.”