US military action in Iran risks igniting a regional and global nuclear cascade

The Trump administration has called on Iran to permanently end its nuclear program. But threats of force may undermine effort of nonproliferation.

By: Farah N. Jan, University of Pennsylvania, The Conversation

Outlets: The Conversation

Published: January 30, 2026

Words: 1,481

Last Updated: 1 month, 2 weeks ago

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By Farah N. Jan, University of Pennsylvania

The United States is seemingly moving toward a potential strike on Iran.

On Jan. 28, 2026, President Donald Trump sharply intensified his threats to the Islamic Republic, suggesting that if Tehran did not agree to a set of demands, he could mount an attack “with speed and violence.” To underline the threat, the Pentagon moved aircraft carrier USS Abraham Lincoln – along with destroyers, bombers …

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