In case you’ve missed it somehow, there’s a new Christopher Nolan movie out right now, in places where science matters and movie theaters are open. It’s called Tenet, and it’s about… um, it’s about… people in suits? Time travel? A global conspiracy? Reverse guns? I absolutely could not fucking tell you what Tenet is about, and that is 100% by design. Ever since he got a taste of the mystique of cryptic teasers and deliberately obtuse marketing campaigns from The Dark Knight, Nolan has employed that strategy to sell every one of his films. (Dunkirk …