CNN

John Edwards tells ABC News he had an extramarital affair.

In the end, he was too good to be true. John Edwards rode onto the national stage with a compelling message about poverty, about corporations that prey on the vulnerable. He had a record of standing up for the little guy…and he got very rich doing it.

He was tailor-made for politics – good looking with "aw-shucks" kind of country boy charm. He got to the Senate, onto the ticket as vice president in 2004 and was in the running for the White House himself for a while earlier this year.

Now it's all over. After denying it for months, John Edwards has finally admitted in an interview to be broadcast on ABC's Nightline tonight that he had an extramarital affair with a woman who worked on his campaign.

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