Earlier in June, Health Secretary Robert F. Kennedy Jr. fired all 17 members of a key vaccine advisory panel and handpicked eight new members, including several who have expressed skepticism about some vaccines. The move prompted the resignation of Dr. Fiona Havers, one of the CDC’s leading vaccine experts. Ali Rogin speaks with Havers about her decision. PBS News is supported by - https://www.pbs.org/newshour/about/funders