He will do nothing of the sort. He will have no choice but to abide by the election. He does not have the local, state and/or federal support he would need to pull off such a stunt. Not even the dems in congress would support him. I rather doubt that general martial law (at this point in history) is even feasible anymore in the USA.
Bingo. No doubt lil bambi fantasizes about it each day, but it just is not going to happen.