Summary: Documentarian Gabriela Cowperthwaite discusses her new film, "Blackfish," which concerns the story of Tilikum, a 12,000 pound, 22 foot orca living in captivity at Sea World in Orlando, Fla. The marine mammal has been involved in the deaths of three people, including Dawn Brancheau (pictured), a trainer who was drowned while working with Tilikum in 2010. The Magnolia Pictures/CNN Films release will be in theaters this summer. Also, Wayne Pacelle, president and CEO of the Humane Society of the United States, offers thoughts on the recent proposal to add chimpanzees to the U.S. Endangered Species Act. Music: “Snowbird Fantasy” by Bob James
