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.

RFK Jr.'s second Senate confirmation hearing focused on vaccines, Medicare, diversity, and science. Key Republicans were reticent to show support.

Robert F. Kennedy Jr.’s opinions about vaccine safety will likely lead to a few Senate Republicans to vote against his nomination.

Robert F. Kennedy Jr. focused a lot of his proposals on diet-related diseases among low-income Americans during his confirmation hearing on Wednesday.

Two protesters erupted in the Senate on Wednesday morning as Robert F. Kennedy Jr. faced questions about his qualifications to lead the Department of Health and Human Services. The first came just as Kennedy was reading his opening statement,

Senate Health Committee Chairman Bill Cassidy (R-La.) said at the end of Thursday’s hearing he is “struggling” with whether to confirm Robert F. Kennedy Jr. as Health and Human Services

More dramatic questioning on vaccines in RFK Jr's second confirmation hearing. Bond/Simmons-Duffin/Stone/Webber

Robert F. Kennedy Jr. was confronted with a number of his baseless claims and a vexing abortion issue. But Republican senators treaded lightly.

The Senate committees on health and finance will probe Robert F. Kennedy Jr. next week in his bid to be the next secretary of the Department of Health and Human Services.

The success of Robert F. Kennedy Jr.'s first confirmation hearing Wednesday "kind of depends on which Bobby Kennedy shows up," as one Trump administration source working on his nomination put it. Why it matters: Whether Kennedy becomes the next Health and Human Services secretary likely hinges on his ability to convince a handful of Republican senators that he's not the version of himself that was on public display only a few months ago — or

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

During a confirmation hearing for Robert F. Kennedy Jr., President Donald Trump's nominee for health secretary, Alaska U.S. Sen. Lisa Murkowski on Thursday urged Kennedy to use his platform to boost public confidence in vaccines but did not indicate whether she would support his nomination.