Demna is smiling. It’s early December, and the 42-year-old artistic director of Balenciaga is in Los Angeles on the day before the house’s Pre-Fall 2024 presentation, the location of which—on a beatific street in L.A.’s glitzy Hancock Park neighborhood, with a dead-center horizon view of the Hollywood Sign—will remain a fiercely guarded secret right up until showtime. In advance of my interview wi