HHS Secretary Robert F. Kennedy, Jr. will testify before the Senate Finance Committee on Thursday and is expected to be questioned about the chaos at the CDC. Former Acting Director of the CDC Dr. Richard Besser joins Katy Tur to share what he would like lawmakers to ask Kennedy. Our next MSNBC Live event is on October 11th in New York City! Buy Tickets Now: msnbc.com/live25 For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ »