Former Chicago Bears quarterback Jim McMahon's chiropractor Dr Scott Rosa has had a significant impact upon McMahon's health. I never knew the nature and significance of this impact until I watched the ESPN 30 for 30 documentary about the '85 Chicago Bears the other night.  This episode of 3o for 30 (trailer here) was a tribute to the Super Bowl winning team that created a cultural phenomena in the '80's complete with iconic characters like William "The Refrigerator" Perry, Steve "Mongo" McMichael, and of course [...]