He was just on MSNBC and apparently it slipped out. I will follow up on this and find video. But in light of Edwards' campaign manager--former Rep. David Bonior--coming out for Obama yesterday and many of his top funders and supporters doing the same, this should not come as a complete surprise.

Update: Video added up top

Update II: I upated the title to reflect what some commenters have said. It is certainly possible Edwards said "em" and not "him." As in "I voted for em." In which case, I was wrong. And it wouldn't be the first time.

Update III: Per Raw Story, John Edwards has now denied that he said "him" during the Morning Joe Interview.