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Why do captive killer whales suffer so much?
Tony Dokoupil is joined by John Hargrove, a former SeaWorld trainer whose new memoir, “Beneath the Surface,” details what he says is a sad, frustrated life for orcas in captivity.
Reading, writing, berries! School gardening03:59
The fight against oil drilling in the Gulf03:49
Transforming trash into incredible tiny homes05:04
Parts of Patagonian glacier collapse00:46
How land grabbing could affect parks07:08
How religion clashes with science06:41