dole. president biden is expected to speak in honor of a man he called an american giant. we re going to bring you that memorial service live at the capitol when it begins. and later, the president will meet with his coronavirus response team to discuss the latest developments with the omicron variant promising developments. two new studies out of israel show that booster doses of pfizer s vaccine reduce deaths by some 90%. elizabeth cohen joins us now. elizabeth, promising in that the booster reduces the chances of severe cases of this and death. but also that folks who are fully vaccinated at this point also have a good amount of protection. that s right. i think one thing we want to be super clear about is that every expert, including the some of the folks who publish this data have said to me the first booster sorry, first set of vaccinations, that first and second shot that you get a few weeks apart, those are the most