health, society. >> it makes a huge difference but it has nothing to do with how people's brains are wired. it's just discrimination. >> of course. >> i have a question. this is important to me. really important. i went to officer candidate school in the marine corps. and the study said that men are supposed to be better map readers. that's the part when i was in the marine corps officer training school i failed and i took my team into a river or something. what does that say about my brain? >> that there's human variation. and for example, bill clinton has a great deal of high estrogen qualities in him. he cries easily, very verbally skilled, very good people skills, he's imaginative, the whole world knows he can't stop talking. he has a lot of the traits of the female brain. whereas his wife i think hillary is tough-minded, direct, decisive. so you're going to see variation. >> doesn't it sound to me like a bunch of stereotypes that should be based on anything that hillary is a man and --