Our weekly SportsNation chat can veer in whatever direction you choose. The condition of the Chicago Bears with a concussed quarterback? Sure. The chances of the Green Bay Packers overtaking the Bears with an injury list longer than a kite string? Totally. The Detroit Lions' hopes for turning around their season on a three-game homestand? Fine. Why does green soap transform into white lather? Sorry. I'll check with Sid the Science Kid and get back to you.