headache that it's causing for travelers. long lines. we have producers in chicago at that airport as well as in dallas. they're saying they're seeing long lines. although in the last few minutes, they did start to see some movement. but olally from the faa that ground stop is still in place. no traffic in or out for those specific airports. of course you remember, wolf, it was just back in july when united airlines had a similar incident. where we saw for several hours they weren't having any activity because of a computer glitch. that turned out to be a hardware issue. but, again, with this case of american airlines, we don't quite know exactly what's casing the problem. but we do know there are some very frustrated flyers as we speak right now. >> those are three of the biggest airports in the united states, chicago, miami, dall dallas-ft. worth. huge hubs for american airlines right now. they really have no idea what this computer glitch is all about? >> well, if they know, they're