Having seen “The Interview,” I’d rate it as good an artistic fit for the Berlin Film Festival as Klaus Nomi might have been for the half-time entertainment at a tractor pull. North Korean diplomats, however, aren’t widely esteemed for certain qualities — like, diplomacy, or diplomacy, academic rigor, or cultural sophistication. Consequently, when they heard that “The Interview” was to open in Germany on February 5th, they misunderstood that it was on the festival agenda. And they said this: The North...