Peter Mandelson, once a controversial figure in British politics, is set to become the new British ambassador to the U.S. in Washington, D.C. Known for his political resilience, Mandelson has rebounded from multiple resignations, including a notable one during Tony Blair’s government. As a key architect of New Labour and a former Trade Commissioner for the EU, his extensive experience is seen as vital as the UK navigates its relationship with the U.S., particularly under the looming specter of another Trump presidency.