Dr. Azar: Pfizer Covid-19 pill could be a 'game changer'

NYU Langone Center rheumatologist, Dr. Natalie Azar, joined Stephanie Ruhle to discuss Pfizer's announcement that its coronavirus pill is nearly 90% effective according to a final analysis. She says it's "a wonderful tool in the toolbox" and reflects on the one-year anniversary of the first Covid-19 vaccine dose.