Junior Ethan Happ scored 28 points as Wisconsin ran its winning streak to five games-in-a-row Tuesday night 71-61. The Badgers have beaten Indiana 16 straight times at the Kohl Center.  Happ had nine rebounds, four steals, four assists and two blocks, while another Wisconsin guard was sidelined by injury.  Starter Brevin Pritzl missed the Big Ten Conference game with a head injury.  Freshman guard Brad Davison had 14 points for Wisconsin.  Collin Hartmann came off the bench to lead the Hoosiers with 18.  The Badgers start a three-game road trip at Rutgers Friday.