Fox News senior congressional correspondent Chad Pergram reports on Health and Human Services Secretary Robert F. Kennedy Jr. testifying before Congress on his changes at the CDC, vaccine stance and MAHA movement. #fox #media #breakingnews #us #usa #new #news #breaking #foxnews #gop #republicans #congress #chadpergram #rfkjr #robertfkennedyjr #cdc #health #healthnews #vaccines #vaccine #government #politics #political #politicalnews #democrats #democraticparty #democrat #maha #publichealth