fishermen teamed up to rescue a stranded whale. discovered stuck near captioning sponsored by cbs evans: the new omicron variant spreading. spreading. reporter: i m debora patta in johannesburg where scientists are racing against the clock to determine just how dangerous the new variant is. evans: here in the u.s., the scramble to keep it out. reporter: i m michael george in new york, with concerns over omicron coming to the u.s. what we know and don t know about the new variant. evans: also tonight, holiday shoppers on alert as an alarming smash-and-grab crime spree targets retailers. reporter: i m lilia luciano in los angeles, where shoppers are ready to spend while police are closely watching. evans: drug smuggling on