Pretty far-fetched, not absolutely impossible, but it would take a quite particular and unlikely series of events to put us in that spot.
“He has invaded Georgia, he has invaded the Crimea, he has invaded Ukraine. He has used force and got away with it."
All on Obama's watch, with Clinton as Secretary of State with a little John Kerry at the end just to French it up a bit. Not exactly a ringing endorsement of the idea of having the Witch Queen for Prez.