This happens to me, too....can they block votes from certain websites? Keep trying, sometimes it takes a few tries. I consider it a battle of wills.
It's up to the UCF administrators to keep these students from harassing our Governor, not simply because it's the right thing to do as hosts for this important debate, but because Jeb (and every member of the extended Bush family) is a target...it's a militant Muslim M.O. to go after family members of political enemies...especially during national elections.