KGO ABC World News Tonight With David Muir May 20, 2020 00:38:00
>> there is a potential for cardiac abnormalities, abnormal heart rhythm, eye issues, retinopathy, and those are all possible with its use. >> reporter: even a fox news host warning -- >> this is a leap that should not be taken casually by people at home, just because the president of the united states says it's okay. >> reporter: still, the white house released a statement from the president's own doctor saying, quote, "after numerous discussions, we concluded the potential benefit from the treatment outweighed the relative risks." one of the president's valets tested positive. so did the vic...