Dr. Gupta: Trump ‘trying to save face, not trying to save patients’

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Dr. Vin Gupta, an assistant professor at the University of Washington Medical Center, tells Lawrence O'Donnell that it was "deeply irresponsible" for Donald Trump to spread misinformation about hydroxychloroquine, which Dr. Gupta says "has proven to be harmful" and "people should not be taking it" to treat COVID-19.