Sen. Bill Cassidy (R-LA) wouldn't let anti-vaccine conspiracy theorist Robert F. Kennedy Jr. off the hook on Thursday after ...

Robert F. Kennedy Jr.'s record of questioning childhood vaccine safety came under fire from a key Republican at the Trump HHS ...

Robert F. Kennedy Jr, President Donald Trump's pick to run the top U.S. health agency, came under pointed questioning from ...

The anti-vaccine sentiment that Robert F. Kennedy Jr. has encouraged was too much even for a Republican senator.

Mr. Kennedy appears to have most Republicans behind him as he seeks the job of health secretary, though he couldn’t escape ...