Kennedy Jr., President Donald Trump's pick to lead the Department of Health and Human Services, appeared to be unfamiliar with basic elements of the Medicare and Medicaid programs during his second Senate confirmation hearing.

Robert F. Kennedy Jr., nominated to be health secretary, seemed unfamiliar with the particulars of the massive insurance program he'd oversee in exchanges with senators Thursday.

Thursday marks another day of Senate confirmation hearings for Robert F. Kennedy Jr., Kash Patel and Tulsi Gabbard. Watch the following senate hearings below: Robert F. Kennedy Jr. On day one of a contentious confirmation hearing to become the nation's top health official,