and make them fast, after releasing a report on what we missed before the attempted christmas day attack. changes that could impact your next trip. and a developing story, nbc considering a late night shakeup, getting ready to give up on its prime time experiment and bring jay leno back to his old time slot, but only for a half hour. that s not the only change. details on what s behind the shuffle and what might happen to conan o brien and who is now the tonight show successor. it s been 25 years since so much of the nation has shivered through a deep freeze like this one. top story this morning, a dangerous winter weather system that has two-thirds of america in its bone chilling grip. in georgia, a rare sight, up to an inch of snow giving highway guard rails a workout. it was warmer in fairbanks alaska yesterday than atlanta. imagine that. and road crews having a hard crew clearing drifts off the highways and in overland park, kansas, kiteboarding got you there faster