Nuclear war, a threat to all life

This 17 December 2019 video by United States Democratic party presidential candidate Tulsi Gabbard says about itself:

Nuclear War: Greatest Existential Threat

We talk about “existential threats”, but nothing is more threatening to our world than nuclear war. In the first week of my presidency, I will call for a summit with Russia and China to end the nuclear arms race and agree on steps to move the world back from the nuclear abyss.

It has been 30 years since the end of the Cold War, yet on average, Americans still perceive that the odds of a nuclear weapon detonating on U.S. soil is as likely as a coin toss, according to new research: here.

Bulletin of the Atomic Scientists warns of “civilization-ending nuclear war”: here.