Your Questions Answered About Omicron and Travel Bans

A lot of questions are swirling about a newly detected COVID-19 variant, dubbed, 'omicron.' What do we know about it at this early stage, and what policies can address it? On Today's Show: Apoorva Mandavilli , reporter for The New York Times, focusing on science and global health, explains the latest news and what's known so far about the omicron variant.