The Russian president has come to rely on a skewed version of history and an increasingly small circle of advisers. Journalist Marvin Kalb explains what that means for the war in Ukraine.

This episode was produced by Victoria Chamberlin, edited by Matt Collette, engineered by Efim Shapiro, fact-checked by Laura Bullard, and hosted by Noel King.

Transcript at vox.com/todayexplained

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