WASHINGTON, DC – FEBRUARY 07: (AFP OUT) (L-R) U.S. President Barack Obama watches a robot with Morgan Ard and Titus Walker, eighth-grade students at Monroeville Jr. High School in Monroeville, Alabama, who won high honors at the South BEST robotics competition, while touring student science fair projects on exhibit in the State Dining Room at the White House February 7, 2012 in Washington, DC. Obama hosted the second White House Science Fair celebrating the student winners of science, technology, engineering and math (STEM) competitions from across the country. (Photo by Molly Riley-Pool/Getty Images)