[ad_1] The key word in Christopher Nolan’s “Oppenheimer” is “compartmentalization.” It’s a security strategy, introduced and repeatedly enforced by Col. Leslie R. Groves (Matt Damon) in his capacity as director of the Manhattan Project, which is racing to build a weapon mighty enough to bring World War II to an end. In Groves’ mind, keeping… Continue reading ‘Oppenheimer’ doesn’t show Hiroshima or Nagasaki — by choice