A group of elementary students slept at Haines School for a “peep-over” Friday, when the library’s chicken eggs were expected to hatch. Organized by school librarian Leigh Horner, who kept her personal chicken eggs in the library as a learning tool for students, the event was Horner’s spring reading contest prize. About 100 students were eligible. Alas, there was no peeping. The eggs were not fertile. The students made pizza, played flashlight tag, and…