A recent op-ed in the Observer notes the progress of Russia’s economic war against Turkey in the wake of the Turkish shoot-down of a Russia jet fighter. The short version is that Russia is inflicting significant pain on Turkey. Russia has slowed down the construction of nuclear power plants that Turkey is relying on to provide electricity. The Russians have also stopped importing Turkish fruits and vegetables, a $4 billion hit to Turkey’s export revenues. Russia has also curtailed travel to Turkey by its citizens. All this may just be the opening shot in an economic campaign that could cripple...