In the war for Ukraine, it’s Zelensky versus Putin. Two men with essentially the same first name fighting for their place in history — not just for their respective countries but for the ancestral roots that Russia and Ukraine share, and that both rulers claim to be the true defender of.And a prince, who ruled more than 1,000 years ago — known in Russia as Vladimir the Great and in Ukraine as Volodymyr the Great — lies at the heart of that intertwined history. We get into that today.More reading:Putin’s rationale for Ukraine invasion gets the history wrongUkrainian TalesIn battle between Russia and Ukraine, even God is in dispute