The Amish
The 4 million evangelicals that stayed home last time?
and now the Libertarians!
Is it possible America is waking up to just how crucial this election is? Pray hard. And Pray for "The Man'
He has the biggest bullseye of anyone in the world on him - he knows it - and yet, think of the bravery it takes to go out there day after day - state after state - rally after rally!
Right now he's all that stands between us/US and freedom...it's as simple as that
The dark side is desparate - they will stop at nothing to rule = they know this is their last shot...for decades...certainly for any of them.
And add to these factors you've identified, a doubling of Bush's support among blacks (tripling among evangelical blacks), an improvement in Bush's support among women and hispanics, and I don't think this election is going to be as close as the polls indicate. There are going to be a lot of jaw-dropped pundits on election night.