Early in One Battle After Another , the director Paul Thomas Anderson’s Oscar-winning tale of insurgency in slow decline , Pat Calhoun, a guerrilla explosives expert played by Leonardo DiCaprio, makes a choice that sets the course of both his life and the movie: He picks parenthood over radicalism. As Pat drives into the night with his infant daughter snuggled in a laundry basket, viewers understand that he has forsaken one set of ideals—and battles—for another. A very similar decision animates