An orca whale carrying her dead calf through Puget Sound for 17 days. A mother's grief on display, three years ago affected people around the world and led to global awareness of the struggling orcas and the disappearing salmon they rely on. As few as 75 orcas whales remain. Bill Radke spoke with Lynda Mapes, the Seattle Time environment reporter about her new book is called Orca: Shared Waters, Shared Home.