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Trump Lets New START Treaty Lapse, Sparks Nuclear Concerns

2/3/2026

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Summary

Story summary

U.S. President Donald Trump let the New START treaty lapse.
The New START treaty caps U.S.–Russia strategic weapons and has been in effect since 2011.
Experts warn that its lapse could raise geopolitical instability and the risk of nuclear catastrophe.
Trump has proposed a broader deal including China, a stance that may hinder progress.

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Story summary

U.S. President Donald Trump let the New START treaty lapse.
The New START treaty caps U.S.–Russia strategic weapons and has been in effect since 2011.
Experts warn that its lapse could raise geopolitical instability and the risk of nuclear catastrophe.
Trump has proposed a broader deal including China, a stance that may hinder progress.