And don't forget that the majority of funds will not be paid by taxpayers. Actually, I've found $40-45M estimates, so I'm curious where the $100M came from. He's already raised quite a bit of the money.

One sad fact is that security is going to have to be far tighter around Obama than it has any president since Lincoln with probably about the same success rate. Obviously, we taxpayers are going to have to foot the bill for that security.