As. Sen. Bernie Sanders runs for President again, he keeps trying to persuade voters that his governing socialism would be the soft Scandinavian kind, not the hard Soviet kind. There’s immediately a problem with his Scandinavian analogy, since the countries of that region have been running away from Sanders-style economics and in recent years have become champions of corporate tax rate-cutting. The larger problem is his ongoing commitment to an abusive regime.

The candidate understands that he needs to find a way to spin Marxist...