Well, let's see...
He used his executive power to create "gay" "marriage" in Massachusetts.
He pushed through socialized medicine, complete with $50 co-pay taxpayer-funded abortions.
He completely homosexualized the public schools and state government.
He banned guns.
And then he claimed he was a conservative.
American voters have been known to be taken in by liars, but some things are too far-fetched for even the most gullible among us.
Heh - your reason needs one more line: “The voters who would have been taken in by his lies were already in Obama’s camp.”