LONDON (Reuters) - Duke of Kent, a cousin of the Queen, is being treated in a London hospital after suffering a mild stroke, a royal spokeswoman said on Thursday. The 77-year-old, who is cousin to the queen through his maternal grandfather, Prince Nicholas of Greece, is recovering well after he fell ill early on Monday. "He hopes to be out of hospital in the next few days," a Buckingham Palace spokeswoman said. "His programme has been either postponed or cancelled for the next three weeks. ...