September 3, 2017 - S5.E71
On this edition for Sunday, Sept. 3, North Korea conducts its most powerful nuclear weapons test and Houston continues clean-up efforts following Hurricane Harvey. Later, how scientists are working in Hawaii to turn the power of ocean waves into electricity. Megan Thompson anchors from New York.
September 3, 2017 - S5.E71
September 3, 2017
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