Celebrating John Glenn’s Legacy

NASA Administrator Charles Bolden, left, Sen. John Glenn, and NASA Glenn Research Center Director Ray Lugo, right, answer questions at a NASA Tweetup event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)