Holy cow! The Chicago Bears upset the Green Bay Packers last night 17-13! On a cold, rainy night at Lambeau, Brett Favre's homecoming ceremony was supposed to be the highlight during a one-sided game. Instead, Jay Cutler played a mistake-free game and the Bears defense shut down Aaron Rodgers when it mattered the most. What were the keys to the victory, and just how much better is this team than it was in its Week 1 loss to the cheeseheads? 

BECAUSE CHICAGO LOVES SPORTS.