As the war between Russia and Ukraine drags on into its fourth month, it is increasingly apparent that neither side is likely to achieve a decisive victory any time soon. It is similarly apparent that simply letting the sides bleed each other white, on…

It’s a troubling question with no palatable answer: What would President Joe Biden do if Russia used nuclear weapons in the Ukraine war? A half dozen current and former government officials briefed on the issue, and several outside experts, told NBC Ne…