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Benjamin Hylak

(President Obama speaks with 14-year-old Benjamin Hylak about his interactive robot, on floor at right, at the White House Science Fair.  Credit: Saul Loeb/ AFP/ Getty Images)

At White House Science Fair, Pres. Obama Praises Chester County Teen

President Obama says he’s very impressed with the high-tech work from young people like Benjamin Hylak of West Grove, Pa.

02/07/2012