 KNOX. It's another great day in fertile Minnesota at the Polk County Fair. You'll always find daily free stage events, the talent contest, and the PRCA Rodeo in front of the grandstand start at 7 p.m. tonight. Baja Racing Friday and Saturday and Sunday. It's the Super Demo Derby and fireworks starting at 10.30. You won't want to miss the Polk County Fair in fertile Minnesota, the home of family fun. It's a big time, fun time, show time, fair time. It's a time for you and me.