There's a saying that presidents age twice as fast while in office. Take a look back over the past 60 years of U.S. presidents and judge for yourself how much the office aged them.
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Jonathan Ernst/Reuters
Now, a present-day look at former President Bill Clinton, as he answers questions onstage during an interview at the Peterson Foundation 2012 Fiscal Summit in Washington, D.C., on May 15, 2012. Clinton 65 years old in this photo.