It’s a pivotal moment for nuclear weapons.
Tensions between the United States and Russia, the two major nuclear powers, are high. Longstanding nuclear pacts have crumbled. China, which trails well behind the United States and Russia in nuclear arms, is beefing up its arsenal. North Korea is a nuclear threat, and Iran is on the threshold.
Meanwhile, the United States is in the midst of an extensive update of its nuclear weapons. And when Donald Trump takes office as president on January 20, he will, for a second time, be responsible for those weapons. Here are some of the big issues we’ll be watching.
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