Omicron variant threatens U.S. holidays as vaccination rates lag

U.S. President Joe Biden is issuing dire warnings ahead of the holidays, as Omicron tightens its grip on the country, while hospitals still deal with the Delta variant. As Jackson Proskow reports, unvaccinated Americans are especially at risk.

• Unvaccinated at risk as Omicron to spread rapidly across U.S. this winter, Biden warns