Two of the most powerful politicians in the world will sit down with CBS Sports analyst Clark Kellogg during Tuesday’s coverage of the NCAA Tournament. CBS college basketball analyst Clark Kellogg will interview U.S. President Barack Obama and U.K. Prime Minister David Cameron during the first game of Tuesday’s NCAA Tournament ‘First Four’ doubleheader on TruTV. According to CBS/Turner, the interview will be the only one to feature both Obama and Cameron during the latter’s U.S. visit. Obama is no stranger to either CBS or Turner Sports. Kellogg interviewed Obama during last year’s Final Four on CBS, and TNT NBA analyst Marv Albert interviewed the president during the 2010 NBA Western Conference Finals, reports Sports Media Watch.