In the 80 years since the U.S. attacks on Japan, no other country has used a nuclear weapon in war. That remarkable record could soon be broken and all progress lost.

As the world grapples with a new nuclear arms race, there are several potential flashpoints that could trigger a global ...

Détente helped the superpowers reduce spending on the arms race and fighting the Cold War. Instead they could focus on problems in their own respective countries. The USA had suffered from ...