Around the time J. Robert Oppenheimer learned that Hiroshima had been struck (alongside everyone else in the world) he began to have profound regrets about his role in the creation of that bomb. At one point when meeting President Truman Oppenheimer wept and expressed that regret. Truman called him a crybaby and said he never wanted to see him again. And Christopher Nolan is hoping that when Silicon Valley audiences of his film Oppenheimer…