After weeks of barely reaching mainstream media, the John Edwards affair story broke wide open this afternoon on the cablers. ABC News' Bob Woodruff got the interview, and his sit-down with Edwards airs tonight on Nightline. The National Enquirer story, the fact he fathered a child with Rielle Hunter, still remains up in the air, as Edwards denied that part. But shortly after the Olympics Opening Ceremony on NBC, tune in to ABC to see Edwards first admission to the affair. And check out MSNBC and CNN mention the ordeal for the first time this afternoon: