No country in the world would benefit more from a return to nuclear testing than China. We barely escaped the last arms race. If Congress doesn't move to stop Trump, we are fully committing to another we may not survive.

This is insanity. Absolutely insanity.

Tomorrow marks the 80th anniversary of the Trinity nuclear test and the dawn of the nuclear age. Discussions on how to manage nuclear risks in the years ahead are well underway at the first-ever meeting of Nobel Laureates and nuclear weapons policy experts.

Pretty astonishing to see Secretary Rubio bragging about how he'll get to fire thousands of hard-working patriots at a time where the need for diplomats could not be more apparent.