Mike Tindall has highlighted the special roles that Princess Kate, Prince William and Princess Anne hold in the world of rugby. The former England international rugby player who is married to Princess Anne’s daughter Zara Tindall has a strong bond with the senior members of the Royal Family. Anne, William and Kate have all appeared on Tindall’s podcast The Good, The Bad, The Rugby. During an interview on ITV’s Good Morning Britain, Tindall discussed his relationship with his mother-in-law. Host Susanna Reid asked the former rugby star what he calls Princess Anne to which he replied: “Mam.” Tin…