Tucker Carlson’s fulsome praise of Russia’s capital city is so far off the mark, it’s embarrassing. Moscow,” Tucker Carlson announced this week, from his populist redoubt at the World Government Summit in Dubai, “is so much nicer than any city in my country. I had no idea. It is so much cleaner, and safer and prettier, aesthetically. Its architecture, food, and services than in any city in the United States. And this is not ideological. How did that happen?” The simplest answer to this inquiry is that it didn’t. I daresay that Carlson did, indeed, have a nice time when...