For the past 15 years, Anne Tabat has met her children's school bus each Friday in Chanhassen, Minnesota, with a plate of cookies for the driver and the students. But she says she the driver recently told her the students can no longer have the cookies and since they can't have any he thinks it best if he doesn't, either. Someone later called her from the school district saying one person had complained. Tabat said if the problem was a food allergy or something like that she'd work around it, but she has never got an explanation for why that person complained.