During the depths of the Cold War, the U.S. and Soviet Union became locked in an arms race. Both sides would have liked to deescalate. But for decades, neither could trust that the other would comply with any arms reduction treaty. By the 1980s, however, scientists had developed the tech to detect nuclear explosions anywhere in the world. Today, the U.S. government is beginning to treat AI as a potential weapon of mass destruction, and the U.S. and China now find themselves in a similar arms rac