Duration: 1m10s

Let me make this simple for you, gentlemen. According to my intelligence, which I cannot share with you, the Japanese people will not surrender under any circumstances short of a successful and total invasion of the home islands. Many lives will be lost, American and Japanese. The use of the atomic bomb on Japanese cities will save lives. If we retain moral advantage. - How so? - Well, if we use this weapon without informing our allies, they'll see it as a threat. And we'll be in an arms race. How open can we be with the Soviets? BUSH: Secrecy won't stop the Soviets from becoming part of the atomic world. We've been told they have no uranium. You've been misinformed. A Russian bomb is a matter of time. The program needs to continue at full pace after the war. Uh, Secretary Stimson, if I may... Not all scientists on the project are in agreement. In fact, this might be a moment to consider other opinions. - If you talk a scientist in... - GROVES: The Manhattan Project has been plagued from the start by certain scientists of doubtful discretion and uncertain loyalty. One of them just tried to meet with the president. Now, we need these men, but as soon as it's practical, we should sever any such scientists from the program. Wouldn't you agree, Doctor?