Mark Leiren-Young is a regular contributor to The National Observer. His new book The Killer Whale Who Changed the World is being published by Greystone and the David Suzuki Foundation Sept. 17th. He is currently working on documentaries about both Moby Doll, the first orca ever displayed in captivity and Granny, the hundred year old orca. www.leiren-young.com @leirenyoung