January 20 will see the conclusion of the most extraordinary episode in the history of the American presidency. For the last four years, the supposed president, Joe Biden, has been the man who wasn’t there. Bloody and historic events — Russia’s invasion of Ukraine, Hamas’ pogrom in Israel and the subsequent five-cornered Israel-Iran war — have shaken the world, yet Biden wasn’t there. Millions of non-Americans of every description, including terrorists, criminals, and members of the Cuban Communist Party, have swarmed over the Mexican border and flooded into our urban centers, costing billions of taxpayer dollars to support — and...