Dr. Jason Johnson discusses what to look out for during the third Democratic Debate for the 2020 presidential campaign. Other panel members include Fmr. Sen. Claire McKaskill (D-Missouri), Maria Urbina (Indivisible), Kirsten West Savali (Essence), Walter Isaacson (Tulane University), Donald Deutsch (MSNBC), John Harwood (CNBC), and hosts, Joe Scarborough & Willie Geist.