1/ The seven-day average of Covid-19 deaths reached 2,188 a day – the highest level since February 2021 and up about 1,000 per day from two months ago. Omicron infections, however, are resulting in fewer hospitalizations than during the Delta wave in the fall. Pfizer, meanwhile, has begun a clinical trial to evaluate a new, Omicron-specific vaccine. (Wall Street Journal / New York Times / NPR)

2/ The Biden administration is withdrawing its Covid-19 vaccination and testing mandate for businesses, following the Supreme Court’s decision to block the requirement. The mandate would have applied to some 80 million people if it had not been struck down by the court, which described the regulation’s approach as “a blunt instrument.” (CNN / New York Times / CNBC)

3/ The White House warned that a Russian invasion of Ukraine is “imminent” and that Biden “may be moving” some troops into Eastern Europe to demonstrate American commitment to its NATO allies. Biden also said that he would consider personally sanctioning Putin if Russian forces invade Ukraine, warning of “enormous consequences” for Russia not only economically and politically but “worldwide.” Moscow, meanwhile, said it had “profound concern” over NATO’s military movements in eastern Europe, accusing the West of “building up tension” in the region. The Kremlin, however, announced military exercises on Ukraine’s border, including fighter jet and ballistic missile exercises. The Biden administration also announced that it was working with gas and crude oil suppliers to secure energy for European allies in the event that Moscow weaponizes energy supplies by cutting off fuel shipments. (CNN / Washington Post / New York Times / Bloomberg / USA Today / ABC News / CNBC)

4/ Federal prosecutors are reviewing fake Electoral College certifications that declared Trump the winner of states that he lost. The certificates contain the signatures of Trump supporters who falsely claimed to be the rightful electors in Georgia, Arizona, Michigan, Pennsylvania, Wisconsin, Nevada, and New Mexico – all states that Biden won. The attorneys general in at least two of the seven states – Michigan and New Mexico – say they have referred investigations to federal prosecutors. Deputy Attorney General Lisa Monaco, meanwhile, confirmed that the Justice Department had “received tho...