US President Barack Obama reacts as 14-year-old Joey Hudy of Phoenix, Arizona, launches a marshmallow from Hudy's "Extreme Marshmallow Cannon" during a tour of the White House Science Fair in the State Dining Room of the White House on February 7, 2012. Obama announced new policies to recruit and support science, technology, engineering and math (STEM) teacher programs, including requesting $80 million in his upcoming budget for teacher preparation, with the goal of training one million additional STEM students over the next decade. By Saul Loeb/AFP/Getty Images.
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The Dish 