First round of U.S.-Iran negotiations ends and U.K. PM resigns: Morning Rundown

First round of U.S.-Iran negotiations ends and U.K. PM resigns: Morning Rundown NBC News World in Brief: Starmer out and Burnham on the way in; Vance says Iran will host nuclear inspectors The Economist U.S.- Iran roadmap, Greenspan dies at 100, Starmer resigns and more in Morning Squawk CNBC Morning Bid: Seventh in a decade Reuters UK PM Keir Starmer resigns. And, US and Iran agree to roadmap for final deal NPR