When President Donald Trump attends Saturday’s Texas vs. Tennessee college football game, it could mean more than tougher traffic and extra long security lines for fans. The disruptions caused by Trump’s visit could go all the way to the game on the field. Longhorns coach Steve Sarkisian said this week that when a president attends a game, security will shut down the teams' sideline headset communications whenever he comes in the stadium, leaves or just moves around. And it could happen in critical moments of a tight game.