the war on cancer: a new treatment that can help prevent one of the devastating side effects of chemotherapy. royal baby s first photo. baby lilibet makes her debut in the family s christmas card. a t.s.a. agent turns super hero to save a baby s life. and bringing christmas cheer and light to a nation s military family. this is the cbs evening news with norah o donnell, reporting from the nation s capital. yuccas: good evening, to our viewers in the west, and thank you for joining us. i m jamie yuccas in for norah. we begin tonight with this year s holiday season looking like a disappointing repeat of last year, all thanks to the omicron variant. case numbers are racing up, more people are entering the hospital, healthcare workers are overwhelmed. average daily cases fueled by the highly transmissible variant have now exceeded the delta peak from the summer. meanwhile, americans are shattering records at pop-up testing sites with long lines stretching around b