In testimony to the Senate Finance Committee, Mr. Kennedy seemed to confuse the two government programs that cover more than 150 million Americans.

Robert F. Kennedy Jr. struggled to answer questions from Sen. Bill Cassidy (R., La.,) about Medicare and Medicaid. When asked about how care for people who are eligible for both federal health programs could be integrated,

In a contentious confirmation hearing to be the nation's top health official, Robert F. Kennedy Jr. struggled to answer questions about how he would reform Medicaid or Medicare, the government health care programs used by millions of disabled,

In a confirmation hearing for his nomination to head the $1.7 trillion Department of Health and Human Services, Robert F. Kennedy Jr. confused two of the massive healthcare programs he would be overseeing as secretary — Medicare and Medicaid — and insisted he was not anti-vaccine.

Robert F. Kennedy Jr. was asked by Sen. Bill Cassidy (R-Louisiana) about Medicare and Medicaid during Kennedy's Senate confirmation hearing Wednesday. See their full exchange.