A clash between Bernie Sanders and Robert F. Kennedy Jr. at his confirmation hearing for Secretary of Health and Human Services took an unexpected turn on Wednesday when the senator defined a "onesie" in a line of questioning about Kennedy Jr.

Bernie Sanders (I-Vt.) was unconvinced. He demanded Kennedy address some of the merchandise sold by Children’s Health Defense, the anti-vaccine organization Kennedy started. “On their website, they are selling what’s called onesies ― these little things,

During the Senate confirmation hearing for HHS nominee Robert Kennedy Jr., Sen. Bernie Sanders (I-VT) questioned Kennedy’s support for the Children’s Health Defense, an organization that Kennedy chaired,