Emily Thornberry challenges Morgan McSweeney over his desire to recommend Peter Mandelson for the U.S. Ambassador role. McSweeney says he regrets telling Keir Starmer to hire Mandelson. #PeterMandelson #KeirStarmer #MorganMcSweeney #ukpolitics #GBNews Keep up to date with GB News at gbnews.com or on X @GBNEWS Become a Friend of GB News: gbnews.com/friend