Just days before the next round of U.S.-Iran nuclear talks, Iran has openly defied Donald Trump’s top demand. Foreign Minister Araghchi declared that uranium enrichment is “non-negotiable,” delivering Tehran’s biggest snub yet. This comes after Trump’s envoy Steve Witkoff insisted Iran must halt enrichment entirely. As tensions rise, the fate of the nuclear deal hangs in the balance. Will the April 19 Muscat talks collapse before they begin?