"Disinformation powers extremism": Officials call out RFK Jr. for history of vilifying CDC after shooting

After Friday's deadly shooting outside the CDC headquarters in Atlanta, some public health officials called out Health Secretary Robert F. Kennedy Jr. at an all-hands meeting for his years of spreading vaccine misinformation. MSNBC senior reporter Brandy Zadrozny joins The Weekend: Primetime to talk about CDC staffers' fears and concerns, RFK Jr.'s long history of attacking the CDC and public health agencies, and President Trump's stark shift on vaccine policy from his first term.