last week s nightmare in virginia on i95 trapping drivers more than 24 hours, the governor together declaring a state of emergency. crews pre-treating the interstate for ice expect travel delays this weekend as airlines face worker shortages in addition to the storms. many are already waiving change fees. lester dasha burns, thank you. there is breaking news tonight on covid. the cdc just out with new guidance on masks. and americans will be able to order free rapid tests from the government website here s gabe gutierrez. reporter: as omicron sweeps across the country, tonight the cdc is updating its mask guidance saying people can wear higher quality n95 or kn95 masks without worrying about supply shortages and that those better fitting masks offer better protection than loose fitting cloth ones the most important thing about mask wearing is wear one you will be comfortable keeping on for a long period of time and that fits well reporter: two huge