Sen. Bill Cassidy has emerged as a central figure in the confirmation of Robert F. Kennedy Jr., whose nomination to health and human services secretary poses an equally consequential moment for the second-term Republican facing an uncertain political future in Louisiana.

Robert F. Kennedy Jr. goes before two two U.S. Senate hearings in his quest to head the nation's health department. Louisiana Sen. Bill Cassidy, a doctor, sits on both.

While Democrats blasted Robert F. Kennedy Jr. for previous comments on vaccines and some Republicans teed him up for stump speeches, Sen. Bill Cassidy of Louisiana mostly stuck

Robert F. Kennedy Jr. said “I’m not exactly sure” when asked by Sen. Bill Cassidy (R., La.,) about how care for people who are eligible for Medicare and Medicaid could be integrated.

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.

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,

Robert F. Kennedy Jr. has struggled to answer questions at his Senate confirmation hearing about how he'd reform Medicaid or Medicare, the government health care programs used by millions of disabled,