<p>President Barack Obama, right, and former president George W. Bush shake hands with family members of victims of the U.S. Embassy bombing in Tanzania during a wreath laying ceremony at the U.S. Embassy in Dar es Salaam.</p>
July 23, 2013
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July 23, 2013 9 p.m.
Ex-Presidents Club still going strong
WASHINGTON - In the first 200 years of the republic, just three presidents survived more than two decades after leaving office: John Adams, Martin Van Buren and Herbert Hoover. The odds for ex-presidents have improved considerably since then.