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.

Click in for more news from The Hill{beacon} Health Care Health Care   The Big Story All eyes on Cassidy for second RFK Jr. hearing Sen. Bill Cassidy (R-La.), chair of the Senate

Some GOP senators want public commitments from Robert F. Kennedy Jr. before deciding whether to support him as the next secretary of the Department of Health and Human Services, signaling that President Donald Trump’s pick will have to win over uncertain Republicans in order to secure the job.