Health A look at the dramatic week in the world of vaccines and RFK's Senate hearing September 6, 20257:47 AM ET Heard on Weekend Edition Saturday By Scott Simon , Rob Stein A look at the dramatic week in the world of vaccines and RFK's Senate hearing Audio will be available later today. Health Secretary Robert F. Kennedy Jr. faced intense questioning during this week's Senate hearing as frustration, confusion, and anger grew among lawmakers and citizens regarding his controversial vaccine policies Facebook Flipboard Email A look at the dramatic week in the world of vaccines and RFK's Senate hearing Audio will be available later today.