'Crunch Time' for Presidential Candidates The 2008 presidential candidates are getting close to crunch time as the clock ticks down to primary season. But for all the candidates, the first crunch time came earlier — sometimes decades earlier — at a moment of confrontation or decision that made them who they are. Reporters look at these key moments in the candidates' careers.

Scandal Shaped McCain's Sense of Honor in Office

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Edwards Didn't 'Cower' from Wife's Cancer

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Slimming Down Made Huckabee Lean and Mean

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Rare National Buzz Tipped Obama's Decision to Run

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Revisiting Giuliani's Role as 'America's Mayor'

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For Romney, Health Care Fix Nothing to Brag About

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Health Care Initiative a Learning Moment for Clinton

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Thompson's Watergate Role Not as Advertised

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