Obama vs Romney: Who would win in a no holds barred, UFC style cage fight?

psychosolodiver posted on yahoo "No eye gouging, biting or shots to the groin - everything else would be allowed. Gary Johnson would referee. Obama vs Romney in three 15 minute rounds - who would win, in what round and how do you think the winner would win?" I think several fans would love to see this take place I for one would the money can go to charity or back to the tax payers I think we pay way too much anyway.