43: British Ambassador to the U.S. Dame Karen Pierce on Trump–Starmer ties, incoming Ambassador Mandelson’s credentials, AI leadership, AUKUS, Afghanistan, and the monarchy

Dame Karen Pierce DCMG, outgoing British Ambassasor to the United States, joins host Tammy Haddad ahead of the 2025 Alfalfa Club Dinner for a wide-ranging conversation in which she discusses her successor, Peter Mandelson—who she says “loves America” and appreciates President Trump’s approach to China—and reaffirms the productive rapport between Prime Minister Keir Starmer and Trump. She also highlights the UK’s AI leadership, Queen Elizabeth II’s legacy, addresses AUKUS and Afghanistan, and reflects on her five years in Washington.