Wsj Opinion: Potomac Watch

Donald Trump and Health Secretary Robert F. Kennedy Jr. urge pregnant women to avoid acetaminophen, which they say has been linked to autism. But does the research actually show any causal connection, and is it a coincidence that plaintiffs lawyers are pushing similar claims in court? Plus, the FDA rejects a new melanoma treatment that oncologists see as a breakthrough. Learn more about your ad choices. Visit megaphone.fm/adchoices