Winston Marshall, formerly of Mumford & Sons, says U.K. Prime Minister Keir Starmer’s ‘unnerving’ crackdown on free speech is losing him support on ‘The Will Cain Show.’ Winston Marshall, formerly of Mumford & Sons, says U.K. Prime Minister Keir Starmer’s ‘unnerving’ crackdown on free speech is losing him support on ‘The Will Cain Show.’