Meghan Markle and Prince Harry could return to work as "part-time royals" when Prince Charles takes over the thrown, according to an author.The Duke and Duchess of Sussex stepped down as senior members of the Royal Family in 2020 and overhauled their lives to start afresh in sunny California, where they live with children Archie, two, and baby Lilibet. Harry, 37, and Meghan, 40, have been fairly successful in making their own way through their philanthropic work with the Archewell Foundation as well as their multimillion pound deals with streaming giants like Netflix and Spotify.