LONDON ? An accusation about a "doctored" President Donald Trump speech. Allegations of systemically biased reporting and news decisions. Senior, longtime executives forced to quit and apologize. Britain's storied BBC news organization was plunged into crisis on Nov. 9 after a leaked internal memo revealed that a documentary aired by its flagship current affairs program misled viewers. The BBC Panorama documentary edited together two parts of a Trump speech he made prior to the Capitol attack on Jan. 6, 2021. The BBC's director general, Tim Davie, and Deborah Turness, chief executive of BBC News, resigned after The Daily Telegraph newspaper...