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Live updates: Trump warns of ‘economic D-Day’ against Iran, but Tehran is well acquainted with sanctions

Follow the latest news on President Donald Trump and his administration | Aug. 21, 2026

President Donald Trump yells to reporters after disembarking Air Force One, Sunday, Aug. 16, 2026, at Joint Base Andrews, Md. (AP Photo/Julia Demaree Nikhinson)

Here’s what we’re following:Nearing the six-month mark of the Iran war and facing diminishing stockpiles of key weapons, the Trump administration is touting a crushing financial campaign against Tehran, promising an “economic D-Day” against a country that has so far withstood nearly five decades of punishing American sanctions.World shares were mixed on Friday following a retreat on Wall Street as a U.S. Treasury Department plan to boost its government debt buybacks appeared to have only limited capacity to calm markets. The futures for the S&P 500 and the Dow Jones Industrial Average were up 0.3%.Justice Department investigators have sought to interview law enforcement officials related to the FBI search of Donald Trump’s Mar-a-Lago estate as part of a Florida-based inquiry aiming to establish a conspiracy against the Republican president, multiple people familiar with the matter said Thursday.