President Obama speaks at the White House Science Fare in Washington

Samantha Garvey, of Bay Shore New York, smiles as President Barack Obama introduces her during the White House science fare in the East Room at the White House in Washington, D.C. on February 7, 2012. Obama invited the winners of a broad range of science, technology, engineering and math (STEM) competitions from across the country to the White House.UPI/Kevin Dietsch