0:59

President Obama is On DNews This Week!

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1:31

President Obama Explains Scott Kelly’s Year In Space

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1:13

President Obama Explains How Pollution Affects Our Planet

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0:54

President Obama On The Future Of Thought-Controlled Technology

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0:53

President Obama on the Benefits of Precision Medicine

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1:15

President Obama Reveals an Astronomer You Need To Know About

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