When "A House of Dynamite" -- the new Nextflix nuclear thriller -- began preparing to shoot scenes depicting U.S. Strategic Command, director Kathryn Bigelow wanted every blinking light, console switch and dialogue to ring true. The man she called to make that happen was retired Lt. Gen. Daniel Karbler, an affable Midwesterner who had spent nearly four decades inside the U.S. missile defense enterprise -- and, as it happened, once held the exact position of a character in Bigelow’s script...
