Pakistan, April 30 -- United States President Donald Trump has warned Iran must "get smart soon" following a proposal from Iran that would postpone a deal on Iran's nuclear programme. "Iran can't get their act together," Trump wrote on his Truth Social platform on Wednesday. "They don't know how to sign a nonnuclear deal. They better get smart soon!" The president included an AI-generated photo of himself carrying an assault rifle, with bombs exploding on a mountainside behind him. A banner over the image read: "NO MORE MR. NICE GUY!" Moreover, Trump rejected a proposal from Tehran to reopen the Strait of Hormuz, opting instead to maintain a naval blockade to pressure Tehran on its nuclear program, Axios reported on Wednesday. "The blocka...