Zbigniew Brzezinski. (№ 288191)

The big risk is that Russia controls the irrational leader with delusions of grandeur. This worries many Russians. Assume that Putin will be able to permanently separate Crimea from Ukraine, he will receive the Crimea, but will lose Ukraine for many decades, as it will cause powerful nationalist reaction against Moscow! Ukrainians define their identity through their land. Putin is making a terrible mistake.