Angus King: “The PACT Act would not have passed but for Jon Tester.”

That's not as dire as some of the AI officials who have suggested that there was a 10 percent chance of wiping out all of humanity.

Deterrence works only if it’s credible, and the actions of the administration over the past two years — in spite of all the bluster about lethality and testosterone — have severely compromised that credibility, and with it, the safety and…

Instead of pursuing solutions that are consistent with America’s values, President Trump has decided to ease energy sanctions on Russia.

The problem of escalating instability, unfortunately, is not confined to Europe’s eastern frontier. The danger of war between America’s autocratic adversaries and our democratic allies is rising around the world for one simple, troubling…