Delegates filled the floor Tuesday during the Republican National Convention at the Tampa Bay Times Forum in Tampa, Fla. Win McNamee/Getty Images hide caption

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Rep. Paul Ryan, the GOP vice presidential nominee, became a speech writer for the conservative Republican politician Jack Kemp after graduating from college in 1992. J. Scott Applewhite/AP hide caption

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San Francisco Giants' Melky Cabrera fouls off a pitch. Cabrera was suspended Aug 15 for 50 games without pay after testing positive for high levels of testosterone. Ben Margot/AP hide caption

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Sweetness And Light

Just Say No: Doping Diminishes All Athletes

Athletes aren't always the best role models but, for commentator Frank Deford, the worst sin they can commit is doping.

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