The hits just keep on coming!    This week, friend of the show Doctor Kenneth Womack joins the show to discuss his just-released book "Living the Beatles Legend: The Untold Story of Mal Evans."    "Big Mal" has been both part of the Beatles story, and a figure in the background.     What drove the "Gentle Giant", and what was it like to be the friend, confidante and guy who found socks, bowties and guitar strings for John, Paul, George and Ringo.