Trump tightens the noose on Iran. Will it backfire?

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There have been a lot of sanctions programmes against Iran. But this week US Treasury Secretary Scott Bessent announced Operation Economic Outcast, which promises to go further than ever before. It will punish not just Iran but any country helping Iran - including China. It is the Trump administration’s latest attempt to end the war. Will it work? We speak to Vali Nasr, professor of international affairs and Middle East studies at Johns Hopkins University, and ask whether in trying to end one war, President Trump risks starting a global trade conflict. (Photo: US Treasury Secretary Scott Bessent speaks during a press conference to outline further sanctions against Iran, at the Treasury Department in Washington, DC, 24 August, 2026. He has short, mousy-grey hair and is wearing glasses, with the American flag behind him. Credit: Evelyn Hockstein/Reuters) Producers: Mhairi MacKenzie and Lucy Pawle Sound engineer: Travis Evans Editor: James Shield Senior news editor: China Collins