Pfizer testing omicron-specific Covid vaccine, NATO and Russia mobilizing around Ukraine to prepare for potential conflict, and government warns microchip shortage could drive up prices.
01:58 Omicron Vaccine Trial
04:24 On The Frontline
06:28 Biden Warns Russia: 'Enormous Consequences'
08:32 New Supply Chain Strain
10:38 SAT Goes Digital
12:58 China's Covid Crackdown
14:56 Message In A Bottle
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