Yale epidemiology professor Dr. Harvey Risch and CNN host John Berman bickered over hydroxychloroquine on Monday during a heated discussion about the polarizing drug, which the president has hailed as a possible treatment for COVID-19. Risch recently wrote an op-ed in support of hydroxychloroquine, but Dr. Anthony Fauci, Dr. Deborah Birx and other experts have dismissed the anti-malarial drug being used to combat coronavirus. Risch cited various studies that backed up his pro-hydroxychloroquine stance, but the host of CNN's "New Day" disagreed. “None of those studies that you just cited are random placebo-controlled trials, what Dr. Fauci refers to as...