Edwards Admits Sexual Affair; Lied as Presidential Candidate

"I wanted her not to tell the public what had happened," he said at another point. "Very simple. That's the reason I went."

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Edwards contacted ABC News and requested that he be interviewed about the allegations. He agreed before the interview to place no limitations on the questions he would be asked, but limited the amount of time he would be questioned. He declined to clarify exactly when the relationship began or ended but said it was over before he announced his campaign for the presidency on Dec. 28, 2006.

"I think my family is entitled to every detail," Edwards said. "They've been told every detail…I think beyond the basics…I think that's where it stops in terms of the public because I think everything else is within my family and those privacy boundaries out to be respected."

A series of dramatic allegations revolving around the affair have been reported by the supermarket tabloid National Enquirer. The most serious of those allegations is that Hunter has been receiving hush money through the Edwards campaign in order to keep her quiet.

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In the interview, Edwards denied knowing anything about any support being provided to Hunter or to Andrew Young, the former Edwards campaign aide who has said that he, not Edwards, is the child's father.

If any such support was being provided, Edwards insisted, "I had nothing to do with any money being paid, and no knowledge of any money being paid, and if something was paid, it wasn't being paid on my behalf."

Edwards' 2008 national finance chairman Fred Baron said late Friday that he had provided "assistance" to Hunter and others without Edwards' knowledge.

In a statement emailed to ABC News, Baron said that he "decided independently to help two friends and former colleagues rebuild their lives when harassment by supermarket tabloids made it impossible for them to move forward on their own."   "I did this of my own volition without the instruction or suggestion of anyone, and made a conscious decision not to tell anyone, including John Edwards, that assistance was provided.  The assistance was offered and accepted without condition.  This is now and shall always remain a private matter between these individuals and me."