It's probably a lot of "coulda woulda shouldas" on the part of the voters. When a candidate endorses someone else, their voters don't necessarily go to that other candidate. They go to whomever they like the most. Remember, those are POLLING numbers, not numbers of actual VOTES. Thus, Dean may actually have gotten more votes than you, even though just about everyone who didn't vote for Dean prefers you over him. It's a flaw of the voting system. I've had it happen to me before and yeah, it sucks a lot.