Obama hosts White House science fair

President Barack Obama talks with Janet Nieto, left, Gwynelle Condino, from Presidio, Texas, Tuesday, Feb. 7, 2012, in the State Dining Room of the White House in Washington during the White House Science Fair. The girls have successfully competed in a number of rocketry challenges and have attended the NASA Student Launch Initiative Advanced Rocketry program. Obama hosted the second White House Science Fair celebrating the student winners of a broad range of science, technology, engineering and math (STEM) competitions from across the country.

Credit: AP Photo/Susan Walsh