Leading us off on this ruling from a florida judge, changing the rule. and where we are in this country amid these new cases tonight. reporter: tonight, masks are no longer required on planes and public transit after a judge in florida overturned the federal mask mandate on planes and public transit, saying the rule exceeding the cdc s statutory authority. the move signaling another sweeping change for americans. i think it s for our own protection, because covid is still going around. so if we have to do it longer inside doors, it s fine with me. i think people are so tired of wearing masks, so, i think it s a good idea. reporter: the travel mask mandate was supposed to expire today, until the cdc extended it for a fifth time, until may 3rd, pointing to a wave of new covid infections fueled by the ba.2 subvariant. so, this is obviously a disappointing decision. the cdc continues recommending wearing a mask in public transit. reporter: tonight, the administration saying t