There is an arrogance to Obama, especially when he is challenged, that I really dislike. And his wife is a loose cannon, who could, by shooting her mouth off, lose the election for the Dems. I guess what many people are seeing as his so-called specialness, I see as the emperor parading with no clothes. Emphasis on the emperor part--Obama seems to embody this Royal We thing, especially when he invokes his wife and talks about how great their marriage is, and how wonderful her mothering skills are--the Obamas score no points with me, having Michelle as the sole parent of the children.
And there is an arrogance to Michelle Obama too, that I distrust--especially the personal attacks on Hilary for Bill's philandering. That just sets the cause of women's rights back about a millenium. I'm really not interested in the marital affairs (pardon the pun) of the candidates, and I don't want them to be discussed in the campaign. For me, her going on about what a good mother she is, how she is at home with the kids every night and weekend, just raises my hackles.
There is far more prejudice being shown against Hilary as a female candidate than there is against Obama as a black candidate, IMO.