Sally Kohn: I think kind of race and gender operate somewhat differently. There's a force that works differently in Republican politics than in Democratic politics. She says Nikki Haley as a woman of color running for president in a Republican primary is going to have to deal with racial and gender stereotypes. Kohn: It could be possible for female candidates in a Republican contest to walk more closely into the mama grizzly type mold, but that can be difficult if you're white or male.