Prince Charles made his first appearance today after Harry and Meghan's Oprah Winfrey interview aired last night, and when asked about it, Charles said to have given a "nervous chuckle", according to witnesses.The Prince of Wales visited a pop up coronavirus vaccination centre the day after the controversial just 48 hours after his son Harry told Oprah that his 72-year-old father had "stopped taking his calls".Prince Charles kept tight-lipped and refused to answer journalist's questions as one