Prince William has made his first public appearance since speculation has grown over the whereabouts of Kate Middleton during her recovery from "planned abdominal surgery" last month. The prince met with young people at the Western Marble Arch Synagogue in London on Tuesday where he said both he and Kate were "extremely concerned" about the global rise in antisemitism. This is a breaking news story and will be updated. The Prince and Princess of Wales (when Duke and Duchess of Cambridge) photographed at Kensington Palace attending a reception ahead of their visit to India and Bhutan, April 6, 2016. The...