Grand-Am driver Scott Pruett has won the Rolex DP championship five times including the last three in a row. Pruett is one of the best sports car drivers in U.S. history. It’s why we had him in The Freak Nation Sunday night to preview the Rolex 24 at Daytona where The Freaks will be next week thanks to the support of Continental Tire. Pruett gave us a look behind the scenes especially at his conditioning and training to open the 2013 season with the longest race of the year. Listen…