Meghan Markle and Prince Harry’s bond has remained intact, according to a body language expert, as the couple appeared together in a new video amid their professional separation. The Duke and Duchess of Sussex made their first joint appearance in nearly three months after deciding to embark on specific ventures suited to their personal audiences. The royal pair spoke about online violence against children in a new video uploaded to their official social media account, the first time the Sussexes have made a joint public appearance since August. Prince Harry and Meghan Markle called for greater…