♪ girls who run the world girls ♪ >> excellent musical selection. >> beyonce. >> poor rob. one of the nation's tradition-rich organizations is undergoing a major overhaul. we're talking of course about the girl scouts. >> they're changing what the girls put on their vests and sashes, badges. first time they've changed this since 1987. >> for every girl scout the uniform has a special personal meaning. >> reporter: the staple of the girl scout uniform, the sash, is getting a 21st century overhaul. girl scouts will have a chance to earn badges for things like cooking, athletics, and first ...