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Senators raised concerns about President Trump's power to launch a nuclear war in a hearing on Tuesday. U.S. law has long dictated that only a president should carry the responsibility, but that singular authority is now being questioned. Nick Schifrin takes a look at Congress’ worries and the history of the nuclear command structure.
Major corporate funding for the PBS NewsHour is provided by BNSF, Babbel and Collette Travel. Funding for the PBS NewsHour Weekend is provided by Mutual of America. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.
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