eye on america. cbs carter evans looks at the life-and-death consequences of the nation s e.m.t. staffing shortages. and, the ultimate pep talk. we re all rooting for you, man. garrett: college athletes lifting the spirits of kids in the hospital. this is the cbs evening news with norah o donnell, reporting from the nation s capital. ing from the nation s capital. garrett: good evening to our viewers in the west. thank you for joining us. i m major garrett, in for norah. after a surprise trip to washington, ukraine s president zelenskyy is back home tonight, hoping more u.s. military aid will soon follow. .plus, f.t.x. founder sam bankman-fried is under house arrest tonight as he awaits trial after his first court appearance in new york. but, first, the biggest prechristmas storm in decades consumes much of the country. winter storm warnings, blizzard conditions, and dangerous cold forecast now in more than 40 states, from the pacific northwest to new england