The story

Sen. Hillary Clinton on Tuesday said Sen. Barack Obama had become frustrated by his losses in New Hampshire and Nevada, and she also accused her opponent of not backing up his words with action.

Obama responded quickly, saying Clinton was willing to "fudge the truth" in her quest for the Democratic presidential nomination.

The bitter exchange continued the sharp confrontations from Monday night's Democratic debate in Myrtle Beach, South Carolina. Read full article »

CNN's Wolf Blitzer, Bill Schneider and Chris Welch contributed to this report.

All About South CarolinaU.S. Presidential Election

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