Coronavirus vaccine rollout in full swing across the U.S.
The rollout for Pfizer's COVID-19 vaccination is now in full swing. Health care workers across the country were among the first Americans to receive the shot this week. This comes as deaths and cases continue to spike, with the U.S. recording thousands of new deaths each day. "Face the Nation" moderator Margaret Brennan joins CBSN's Lana Zak to discuss that and more.