What Biden says: "We should all be concerned about omicron, but not panic." "I got my booster shot as soon as they were available." "This is not March of 2020. Two hundred million people are fully vaccinated. We're prepared. We know more." NPR has more about his speech to the nation this afternoon: He announced access to free tests (the guy bought 500 million; better late than never) and more aid to hospitals, and then...