reporter: all of this is deep lip disturbing to the families of the 50 people who died in the continental express some were in the audience today as the faa announced its new rules. >> as a family group, we were not pleased that commuting was not part of this at all. because commuting did play a significant role in the crash of flight 3407. >> reporter: in fact, the national transportation safety board is adding its own concern tonight, telling abc news, it was disappointed in the faa's final rules on the issue and see it as an ongoing, unresolved concern. bill? >> brian ross, thank you. >>> and coming up next, how the promise of an internet audience is luring mobs of teens to some astounding acts. how can you get back pain relief that lasts up to 16 hours? with thermacare heatwraps. that's 8 hours while you wear it, plus an additional 8 hours of relief after you take it off. can your patch say that? for up to 16 hours of relief... try thermacare. >>> a full moon, won can i hormones, strong drink, all things can influence human behavior. and then there is the teenage brain. at least these days, t

but to stay competitive, bethune sold off continental express and began outsourcing more and more flyingto independent airlines. what was the whole thought process in putting this type of flying on to another company? >> it's a different kind of business. it's... regional jet flying in smaller airplanes aren't big airplanes and different employees, different labor standards, different wage rates, right? >> o'brien: still, airplanes, transportation, moving passengers safely. how is the distance traveled and the size of the airplane make it a different business in your perspective? >> they're all flying airplanes, but they're not flying the kind of airplanes you are with the same kind of standards that you're flying. and so you let that operate as it's an independent business because other people are in that business. but you can't afford to have a lot of excess cost and still win a contract. so it makes the management be cost effective. >> the major airlines created the regional industry as a way of lowering costs. they don't want to pay employees, and i don't care whether it's pilots, fl