Andrew Breitbart wields an outsize influence in the world of online conservative media Win McNamee/Getty Images hide caption

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John Heilemann (left) is a writer for New York magazine. Mark Halperin is editor-at-large and senior political analyst for Time magazine. hide caption

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Tiger Woods speaks at a press conference after Round 3 of the 2009 Australian Masters in November. Lucas Dawson/Getty Images hide caption

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Lou Dobbs, shown in 2007, announced Wednesday that he is leaving CNN. Karen Bleier/AFP/Getty Images hide caption

itoggle caption Karen Bleier/AFP/Getty Images