Call it payback for Louisiana going so heavily for John McCain. President Barack Obama has proclaimed that 9th-seeded Butler will pull the upset over 8th-seeded LSU in the first round of the NCAA Tournament. Fulfilling a campaign promise to reporter Andy Katz, the hoops-loving Obama has filled out a Presidential NCAA Tournament bracket for ESPN.The network aired video of the president filling out his entire bracket today in a Sportscenter segment dubbed "Barack-etology." View the President's picks here. LSU and Butler tip off tomorrow at 11:30 a.m. in one of the opening games of the NCAA tournament.