Business owners out of burlingame. world news tonight, the crisis between yugs are and ukraine. president biden putting thousands of u.s. forces on height bd alert for possible rapid deployment to the region. the pentagon putting 8,500 troops on alert to potentially bolster nato forces in the region. more russian troops massing on ukraine s border. and late today, president biden speaking with european allies for more than an hour. what we ve now learned tonight and martha raddatz with late reporting. the omicron surge and what they re now seeing tonight. where in the country we could be seeing a turning point. and authorities tonight now urging caution, with nearly 700,000 new cases still a day. nearly 2,000 deaths per day. and in new york city tonight, sarah palin here for a trial, the judge revealing she has tested positive for covid.