Sorry for that H-bomb. Yule thank me later. Test out your thermonuclear chops online, on Across Lite, or print & solve. Also, I should give a shout out to Michael Shteyman for his markedly similar 1/14/02 New York Times puzzle (with an identical midsection): this is just one of those times when a silly idea occurs twice in isolation. Although, unlike Leibniz, I’ve lived for 14 years in a post–Shteyman puzzle world. [insert The Butterfly Effect reference]
Remember—if you happen to be a cinema sort—to keep a Kino-Eye out for my next Kinophile Crossword on MUBI’s Notebook.