Art is often said to imitate life, but in the case of a recent Russian film on Taras Bulba, a 15th century cossack glorified by Urkainian novelist Nikolai Gogol, it seems to imitate politics. In the current instance, it is Russia’s on-going struggle to restore special ties with the Ukraine, a former member of the Soviet Union. The movie, which took three years to make and was funded by the...