Kathryn Bigelow’s new film “A House of Dynamite” tears down that wall. A nuclear missile is detected arcing over the Pacific.

Director Kathryn Bigelow, joined by screenwriter Noah Oppenheim, on how they made their film, Pentagon pushback and the possible resumption of nuclear testing.

China, she said, has less access to global capital than it did in the past, but compensates with strong state backing.