airports really frustrated many of these passengers. they found themselves having to be processed by customs and border protection manually because these systems were down. it is unclear at this point what caused the outage, but we do know it created lots of travel woes for these international passengers. many airlines forced to rebook these passengers because they missed flights. rene marsh, cnn washington. thank you. for many people who have been following this story about nascar racing legend dale earnhardt jr. and his family, they are safe at home after they escaped a fiery plane crash. their private jet bounced down a runway. it slammed through a fence and burst into flames. when landing at an airport in tennessee on thursday. our dianne gallagher explains. look how high the fire ball is going. the national transportation safety board on the ground investigating this fiery plane crash that retired nascar driver