The story

Former U.S. senator and Democratic presidential hopeful John Edwards admitted Friday to an extramarital affair. He denied being the father of the woman's child, as had been alleged in tabloid reports.

In an interview on ABC News "Nightline," Edwards acknowledged the affair with 42-year-old Rielle Hunter, which began after she was hired to make documentary videos for his campaign, ABC said.

"I am responsible for it. I alone am responsible for it," Edwards said on ABC News "Nightline." Read full article »

CNN's Ed Hornick, Scott Bronstein, Drew Griffin, Matt Smith and Paul Vercammen contributed to this report.

All About John Edwards (Politician)Democratic PartyElizabeth Edwards

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