I’m in a small town in NW Louisiana in which the population is 80% black. I have not seen a single yard sign or bumper sticker for —any— candidate. However, the people I talk to are singularly for Romney.
Do you mean you've talked to a number of blacks and they are only for Romney?
In Evanston, just North of Chicago, I've been around many blanks. About a third of them that expressed an opinion were low-key Obama supporters, with the exception of one cheerleader, but she was nice about it.