EVANSTON—Legend tells of an Einstein Bros. Bagels on campus. Every once in a while, somebody claims to have caught a glimpse of the yellow letters that make up the title, but nobody can identify its exact location. It’s as if whoever built this store never intended for it to actually get any business. After much research and deliberation, a team of archaeologists has decided to make it their mission to find it. The legend of the Einstein Bros. Bagels has