On Meet the Press, an exclusive joint interview with Dr. Peter Hotez, Director, Texas Children’s Hospital Center for Vaccine Development and Dr. Dan Barouch, Director, Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center. Gov. Mike DeWine (R-Ohio) talks to Chuck Todd about the importance of masks, during an exclusive interview. National Security Adviser Robert O’Brien says China is risking sanctions by pushing for more control over Hong Kong. Andrea Mitchell, O. Kay Henderson and Jeh Johnson join the Meet the Press roundtable.