When I voted, it went like this:
My guesses as to why librarian is kicking ass:
1) librarians are more net-savvy than policewomen (and possibly architects) and are stuffing the ballot box
2) librarians have a higher "hot" quotient than architects (and possible lady cops) and are cornering the guy vote.
3) librarian is getting the "irony" vote for the intersection of Barbie's huge wardrobe and big boobs vs. the "Shhh-ing" hair-in-bun frumpy stereotype of librarians.