No, it will not happen. He would need the support of the military and he lacks it at this point. If tried, the tanks would roll and the Joint Chiefs would rule as a Junta until elections could be held. Not going to happen. Besides—such a move would need leadership—something Obama lacks.
Still, I would monitor domestic US military movements, and particularly D.C. National Guard and adjacent state National Guards, for anything out of the ordinary. And there are multiple ways of doing this, not to mention you can take it to the banks that from within the ranks of our patriotic United States military, Loose Lips Sink Obama. There are just too many patriotic Americans to even consider carrying out an unconstitutional order from the Commander to enforce unconstitutional measures and the usurping of the powers of other Federal branches of government by the Executive Branch.
Don't you DARE shove next Wednesday as a "last chance" in our face as a fait d'accompli, Imposter Kenyan? Got it? You are playing with fire my friend.