choice. >> this is just what many businesses said they needed to keep operating. case in point, the airlines, where staffing shortages due to omicron have had a huge impact. today more than a thousand more u.s. flights were canceled. this morning dr. fauci was asked about the potential for vaccine mandates for domestic air travel. tonight he clarified his earlier comments that suggested that was under consideration. >> it is unlikely that you're going to see that happen in the foreseeable future. when i say it's under consideration, people take the leap and say, well, it's going to happen tomorrow or the next week. we consider all options when we talk about what we need to do for the public health. >> meanwhile college football fans are taking a huge hit from covid. so far at least three bowl games have been scrapped. this is the second straight year some games are being called off because of the virus. one veteran sports reporter says teams in a lot of sports are now facing questions about upcoming