Has travel-writing, as a genre, run its course, now that everyone can get everywhere so easily? “No,” says Paul Theroux. “You’re talking about places like the Antarctic, but think about Pakistan. Yes, you can go Uzbekistan, for instance, but imagine the places you can’t go to . . . the Congo, Nigeria . . . You’ll be kidnapped, killed, and people in Manhattan would still say, ‘Those are not interesting places.’