If you closely study his “presence” (how he non-verbally comes across), previously when things were not going his way and lately he projects low self assurance. Sure he outwardly projects “I’m the boss” air, but I think he truly knows this schrade is not working well enough to get re-elected.
It also seems he sees that some very powerful players shaping the field against he is favor, but is powerless to do anything to prevent it. At the minumum, I hope he gets the worst case of bleeding ulcers imaginable.