europe. and in the u.s., the new variant has become the dominant strain in just three weeks. i'll speak to a doctor about this rapid rise. joe biden's domestic agenda takes a hit as democrats fight over his build back better bill. what's being done to try to salvage the deal? plus, u.s. missionaries kidnapped in haiti say they made a daring escape. we'll bring you the latest detalds. ♪ >> announcer: live from cnn center, this is "cnn newsroom" with rosemary church. well, fears of an omicron takeover are becoming a reality in the u.s. on monday the cdc announced the highly contagious variant now accounts for more than 73% of new cases. omicron has been detected in all but two u.s. states, and it's even more prevalent in parts of