In a prime example of why President Trump shouldn’t be endorsing any unproven potential treatments for the novel coronavirus behind the current global pandemic, a new small-scale study by researchers in China indicates that the antimalarial drug hydroxychloroquine actually isn’t any more effective than standard, existing best practice for conventional care of patients with the virus. The study, which included 30 patients with a control of 15 who received no treatment, with the other half being treated with hydroxychloroquine, showed that there was a statistically insignificant difference in the number of patients who tested negative for the drug after a...