What a nut: In a recently unearthed video interview, Robert F. Kennedy Jr., the noted anti-vaccine conspiracy theorist and a Democratic challenger of President Joe Biden’s 2024 reelection bid, claimed chemicals in the water supply are turning boys trans. “A lot of the problems we see in kids, particularly boys, it’s probably underappreciated how much of that is coming from chemical exposures, including a lot of sexual dysphoria that we’re seeing,” the scion of the Kennedy political dynasty said during an interview with Canadian psychologist and ring-wing pundit Jordan Peterson. “I mean, they’re swimming through a soup of toxic chemicals today, and many of those are endocrine disruptors,” Kennedy said, adding, “there’s Atrazine throughout our water supply, and atrazine, by the way, if you, in a lab, put Atrazine in a tank full of frogs, it will chemically castrate and forcibly feminize every frog in there and 10 percent of the frogs, the male frogs, will turn into fully viable females able to produce viable eggs.” “If it’s doing that to frogs,” he said, “there’s a lot of other evidence that it’s doing it to human beings as well.” Kennedy, whose career has been defined as much by his membership in one of America’s most famous families as by his allegiance to dangerous conspiracy theories, has recently suggested pharmaceuticals have caused mass casualty school shootings. “Prior to the introduction of Prozac, we had almost none of these events in our country and we’ve never seen them in human history, where…