He's getting the votes of democrats who will never vote for a black or a woman. Those voters make a Romney victory very likely...whether they votre for Romney, vote third party or stay home. Romney will get a strong GOP turnout...McCain will not. Romney is our only viable alternative to a Hillary or Obama presidency.
Actually, a lot of folks voting for Edwards are liberal “purists” who consider Hillary too DLC, too conservative, and too pro-business, and think that Obama is also very moderate by comparison.