Yup, he will need to RE-install the pro-Putin puppet government (which Obama helped overthrow), and which will continue to be hated by 80% of the population. And he will need to provide troops to secure his pipelines, his gas contracts and his land corridor to Russian Crimea and his military bases closer to NATO Europe. And Obama and Europe will say, “Thank you sir, may we have some more.”
The Ukranians will have been thrown under the bus for “peace in our time.”
Without effective deterrence, the will to use it, and others' belief in our will to use it, "peace in our time" is always a short illusion, isn't it?