If you ever hear a “caw-caw!” sound in an Aldi grocery store, don’t worry: A crow hasn’t gotten trapped in the rafters. Rather, you’ve just overheard a member of the Aisle of Shame (AOS) Facebook group sending out a call in their natural habitat. If another CAW-CAW! rings out in response, expect enthusiastic chatter, hugs, and selfies to follow. AOS fans love interacting online, but they get a special joy out of finding each other in the place that started it all. The “Aisle of Shame” is the unofficial name…