John Glenn, a former astronaut and senator, gestures while answering questions during an exclusive interview with The Associated Press at the Ohio Statehouse in this Thursday, May 14, 2015, file photo. (AP Photo/Paul Vernon)
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John Glenn, a former astronaut and senator, gestures while answering questions during an exclusive interview with The Associated Press at the Ohio Statehouse in this Thursday, May 14, 2015, file photo. (AP Photo/Paul Vernon)
