Ever since Trump tapped bona fide conspiracy theorist and anti-vaxxer RFK Jr. to serve as secretary of the Department of Health and Human Services and pledged to let him “go wild” on public health, a palpable sense of dread has loomed large. And it’s only getting worse: On Friday, the New York Times reported that Kennedy’s even more aggressively anti-vaxx lawyer, Aaron Siri — a man who has petitioned the...