Essayist and novelist Pico Iyer, in Nara, Japan, Dec. 10, 2024. When offered the role in “Marty Supreme,” Iyer wrote, “it sounded like an invitation to a very foreign country, a film set.” (Kentaro Takahashi/The New York Times) By PICO IYER “I’m guessing you don’t get angry very often,” film director Josh Safdie was saying to me on Zoom about 18 months ago. We’d never met or spoken, but he’d seen me on screen. “That’s probably true,” I replied. I was sitting in a tiny hotel room in Paris on a...