debated. senator john mccain is back home recovering from chemo. sources say he is okay but exhausted. what is the situation in atlanta, martin? >> reporter: good morning, alisyn. the world's busiest airport going through a massive reboot this morning as you point out. the lights are on. that handled around midnight last night. but the problems are far from over. take a look. it doesn't really look that bad. but the reason is most people have already had the bad news. they know a lot of flights are delayed or canceled so they have stayed away. these are the ones that are hopeful their early flight will go. so far we have not heard of a single flight taking off. tsa is in place. some of the stores are open and operating. and there are people behind the computer terminals. a lot of patience being had by a lot of people here who have