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Will SeaWorld follow Ringling Brothers?

36:34

On this Thursday's Greenhouse, Tony Dokoupil explores the future of zoos with the New Republic’s Ben Crair; looks at a new way to die with the Urban Death Project’s Katrina Spade; debuts a director’s cut of photographer Murray Frederick’s best shots; talks with the Dodo’s Melissa Cronin about the sweeping campaign to ban killer whales at SeaWorld; and hears from Mr. Dinosaur Train, Scott Sampson, about how to raise wild child.