Sen. Bernie Sanders (I., Vt.), thought to be a possible “yes” vote on Robert F. Kennedy Jr. because they have some shared views on food safety and obesity, grilled Kennedy on his views on abortion and vaccines.

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.

Senate Democrats grilled Robert F. Kennedy Jr. over his various controversial statements including his stance on vaccines during his confirmation hearing to be President Donald Trump’s health and human services secretary,