On facebook, you can vote for a concept by joining a fan group…and right now, there is a group called “We can find 1000000 people who believe in evolution before June.” I think they can; they’re approaching the 10% mark right now. Just follow the link and click on the “Become a fan” button.
Don’t get all pedantic and academic over the word “believe,” either. We know that the nature of our belief in evolution is very different than the creationists belief in their god: we have a provisional, non-dogmatic acceptance of the overwhelming evidence for a powerful theory. It’s just that that phrase is ponderous and pretentious when “belief” is a simple English shortcut to the meaning.