Meghan Markle’s father, Thomas, says that eight years after his daughter first started dating Prince Harry there is still one question that puzzles him. It is well known that the 79-year-old, who is just weeks away froths 80th birthday, is no longer on talking terms with his daughter. But he remains baffled by the treatment he has received from the Duke and Duchess of Sussex. In a new interview, the American admits that his life has been overshadowed by “what has happened in the last six years” and said that he struggles to understand why he has never actually met Prince Harry. “When I reflect…