John Prideaux, our US editor, reflects on the president’s threats to wipe out Iranian civilisation https://www.economist.com/united-states/2026/04/11/checks-and-balance-newsletter-why-trumps-empty-words-still-matter?taid=69da470f50dfba0001006017&utm_campaign=trueanthem&utm_medium=social&utm_source=voante