"So I think in terms of science, I don't think we could definitively say it works."
Yes, and we can't say it definitely doesn't work. The preliminary evidence show that it has benefits. Given the extent of the problem and the lack of serious side effects from this very well vetted drug, it is a no brainer. Prescribe the drug for COVID 19 patients, and take the same precautions, just as you would for someone with rheumatoid arthritis
Let professionals do there job, Trump doesn't need to sell this....
He has just now put a bunch of idiots into there doctors looking for this miracle drug...