A major new production of classic Broadway musical Mack & Mabel comes to Wales Millennium Centre next week (1-6 December) starring double Olivier award-winning Michael Ball as Mack Sennett. Based on the real-life romance between Hollywood legends Mack Sennett and Mabel Normand, Mack and Mabel tells the story of a group of pioneering filmmakers who changed the world surrounded by the great fun of the silent screen: heroes in capes, girls tied to the tracks, glamorous Bathing Beauties and the…