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DATELINE SUNDAY PREVIEW: Growing Promise

Name: DATELINE SUNDAY PREVIEW: Growing Promise
Uploaded: 2018-05-15T14:01:33.000Z
Duration: 56 s
Description: NBC News’ Harry Smith reports on the future of marijuana which is already being used for medical purposes in many states across the U.S. Smith takes a look at state-of-the-art science and speaks with patients, their families, leading scientists, doctors, federal legislators and a former NFL pro. Airs Sunday, May 20 at 7/6c on NBC.

NBC News’ Harry Smith reports on the future of marijuana which is already being used for medical purposes in many states across the U.S. Smith takes a look at state-of-the-art science and speaks with patients, their families, leading scientists, doctors, federal legislators and a former NFL pro. Airs Sunday, May 20 at 7/6c on NBC.