angie goth joins us from l.a. >>> and girl scout cookies are such a big hit, but now you'll have a >>> welcome back, everybody, at 4:30. i'm jim handly. >> i'm pat lawson muse. here's what's happening in the news at this hour. the airline bombing plot revealed yesterday was disrupted, because the cia had a source inside al qaeda in yemen. the bomber himself. >>> also, homeland security officials say there is no need to change airport screening procedures, even though the plot also uncovered a new kind of undetectable underwear bomb. the fbi is analyzing that device. >>> a montgomery county woman will need several plastic surgeries after being mauled by her neighbor's rottweiler. it happened last night in olney. animal control officers are now investigating. the dog is restricted to its owner's home until the investigation is finished. we'll have much more at 5:00 tonight. >>> aaa released a new study about teen drivers today. a 16 or 17-year-old driver's risk of death increases 44% if there is one passenger under 21 and no adult in the car. and the number doubles with two teen passeng