>> to understand why north korea has fought so fiercely over the years for nuclear weapons you need to understand all that they went through to get them. one man who understood the power of the atomic bomb was its creator. robert oppenheimer. >> the world would not be the same. >> he looked back on the day the nuclear age began. july 16th, 1945. the test code named trinity. >> i remembered the line from the hindu scripture. multi-armed form and says, now i am become death. the destroyer of worlds. >> three, two, one. now. >> a few decades later north