U.S.-Iran Nuclear Talks: A Red Line on Uranium Enrichment In a recent development concerning U.S.-Iran nuclear talks, U.S. special envoy Steve Witkoff has emphasized that any agreement must bar uranium enrichment. This stance, a known position of President Donald Trump’s administration, was quickly met with opposition from Tehran, which insists that enrichment continues.Witkoff reiterated that the Trump administration will not tolerate enrichmen…