Bret Bielema wins big in his return to Madison. MADISON, Wis. — The line closed Saturday morning closed with Wisconsin favored by 7 points. Hopefully you took Illinois. A decade after leaving Wisconsin for a head coaching job at Arkansas, Bret Bielema returned to Madison on Saturday with Illinois. And behind a typical Bielema gameplan — run the ball, score in the endzone and play defense — the Illini picked up their first win at Camp Randall in 20 years: a surreal 34-10 blowout of the Badgers. In his orange quarter zip, Bielema heard his fair share of “boos” from…