Sen. Bill Cassidy of Louisiana has emerged as a central figure in the confirmation of Robert F. Kennedy Jr., President Donald Trump's nominee for health and human services secretary.

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.

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,