Peter Mandelson, Britain's urbane ambassador to the US, was sacked by Prime Minister Keir Starmer on Thursday after a trove of emails revealed the depth of his ties with the late convicted US sex offender Jeffrey Epstein. Known for his behind-the-scenes manoeuvring during a career lasting over three decades, Mandelson was forced from Britain's most desirable diplomatic post after some of his letters and emails to Epstein were revealed this week. Starmer, struggling in opinion polls after numerous setbacks, had strongly backed his ambassador on Wednesday as a state visit by US President Donald Trump, with whom Mandelson had developed strong ties, looms next week. Trump has also faced questions about his links with Epstein, with the White House denying...