The dude vote. The dudes who don’t have a problem with women in general, but won’t vote for a particular woman. I am pretty sure that no particular woman would ever measure up to their dudely standards, but they can keep telling themselves they aren’t misogynist asswipes. Won’t make it true, but they’ll feel better about themselves.

(Sorry that the first link is behind the Salon firewall- it’s just a quick commercial to read the article- I swear)