ONE AFTERNOON this year, a Washington Republican wove through packs of tourists on the Mall and considered, as he often did, the collapse of America. How would all of this appear from a distance? He looked at the monuments, lucent in the sun, and pictured them disfigured by centuries of neglect and carnage. “Do you ever think about how, 2,000 years from now, people are going to do what we’re doing right now how they do it in the Forum in Rome?” he said. “Unless it’s destroyed, the ruins of the Jefferson Memorial and the Lincoln Memorial”—he gestured over there and over there, where the future ruins would be crawling with Jetsons—“they’ll have their headsets, which will probably be a chip in their brain.”
While growing up in a coastal…