Last nuclear weapons limits expired – pushing world toward new arms race

Matthew Bunn in The Conversation: For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last agreed limits on U.

5, 2026, ending the last agreed limits on U. and Russian nuclear forces. New START limited t.

New START limited t.