In an ESPN exclusive, President Barack Obama filled out his bracket predictions for the NCAA Division I Men's Basketball Championships today with Andy Katz on SportsCenter unveiled his bracket during the 9 a.m. ET edition, including his Final Four prediction that has undefeated Kentucky topping Villanova in the National Championship game. The President is predicting a Men's Final Four of Arizona, Duke, Kentucky and Villanova in this Tournament Countdown: Barack-etology.