Buckingham Palace and the White House confirm that the King and Queen will travel to Washington for a state visit at the end of April. Broadcaster David Dimbleby says it should have been postponed, while the family of Virginia Guiffre have told Newsnight that they'd urge the monarch to meet with survivors of his brother's friend, Jeffrey Epstein. Also, the Jewish Board of Deputies tell Newsnight that Kanye West headlining at a UK festival is 'irresponsible'. With Adam Fleming.