The one drug RFK Jr. should actually ban

Pigs fed ractopamine has been linked to their inability to stand up, difficulty breathing, and even death. It also carries a number of environmental and human health concerns. | Scott Olson/Getty Images

Before becoming secretary of the US Department of Health and Human Services and leader of the Make America Healthy Again movement, Robert F. Kennedy Jr. was a swashbuckling environmental attorney who regularly took aim at the meat industry. He sued large meat companies and the Environmental Protection...