Donald Trump is casting doubt on the legitimacy of the presidential election even though no evidence was offered to back up his claims He declared on Friday the only way he could lose the state of Pennsylvania was if cheating was going on. "We're going to watch Pennsylvania. Go down to make sure other people don't come in and vote five times" he said The Trump campaign even called on its website for supporters to volunteer to be Trump election observers "Help me stop crooked Hillary from rigging this election!"