Scientist J. Robert Oppenheimer speaks about atomic bombs at the Capitol Building in Washington, DC.

The transcript discusses the devastating potential of atomic bombs, highlighting the possibility of massive casualties in American cities. It addresses the lack of effective countermeasures against such bombs and the improbability of finding any. The speaker emphasizes that the only hope for future safety lies in international collaboration based on trust and good faith.

How does the speaker feel about the possibility of finding effective countermeasures?

What does the speaker suggest as a means for future safety?