'Damaging': Bill Gates warns against dangerous vaccine misinformation I The Beat with Ari Melber

Microsoft co-founder and philanthropist Bill Gates speaks about the rollout of Covid-19 vaccines; how he helped foresee parts of the Covid-19 pandemic by listening to medical experts; and the "unexpected phenomena” of people using misinformation to attack him, Dr. Fauci, and the vaccines. (This is an excerpt from Gates' interview with Ari Melber for the debut installment of "The Beat's Summit Series" on MSNBC.)