This October-November 2017 marks the 100th anniversary of the launch of the Bolshevik Revolution in Russia — the bloody communist state that would produce a political-ideological killing spree unlike any the world has ever seen. And yet, communism continues to find supporters. Here are three personal anecdotes: I did a conference this past week on the legacies of communism. One liberal professor complained that no pro-communist speakers were included. I wasn’t surprised. Another case: a former student of mine this week told me of his professor (at a local college in Pittsburgh) who was...