credit the world’s various political leftists for being brilliant at one thing. They have managed to assemble a coalition of interest groups whose vested interests should probably cause them to chase each other around in the street armed with shotguns. Nowhere is that awesome class divide among the left on greater display than in Europe where the Parlor Pinks infest Davos and the Street Marxians have taken electoral power in Greece. If you were to ask both Jeffrey Greene and newly-minted Greek Prime Minister Alexis Tsipras whether they felt society should be unfettered by larger government or directed for its...