They were expecting a big crowd this Sunday at Farmland Friends Church in rural Indiana. The sanctuary would be decked in blue and white streamers, the card tables groaning with sloppy-Joe fixings and bowls of chips. Best of all, the pews would be packed with scores of the faithful: men, women and children, shoulder to shoulder, hooting at a jumbo screen as their beloved Indianapolis Colts coasted — God willing — to victory over the Chicago Bears in Super Bowl XLI. It was to have been a wholesome evening of fellowship and football. And it would have been illegal. Farmland...