The monobob, a new Olympic event, explained; National security in 2021

A Winter Olympics like no other is coming in February. And a few new sports will debut, including something called the monobob. Cynthia Appiah, a member of the Canadian bobsled team, explains. And, as the year draws to a close, Here & Now security analyst Jim Walsh looks back at some of the most significant foreign policy developments in 2021.