If you're a football fan, you're not alone. Minnesota is full of enthusiastic spectators of the game from the high school leagues on up. Ross Bernstein's new book "Pigskin Pride: Celebrating a Century of Minnesota Football" documents I asked him how Minnesota stacks up against other football loving states: Ross Bernstein called to give the details about his upcoming book signings: Saturday from 11-4pm at Southdale B Dalton and Sunday from 1-5pm at Burnsville B-Dalton. Saturday from 6-8 at Maplewood B-Dalton.