EVANSTON—This Monday, freshmen poured into Norris for the Activities Fair, a time-worn Northwestern tradition in which members of the incoming class sign away their inboxes to listserv upon listserv in exchange for free candy. The entire Class of 2013 was successfully crammed into the student center, effectively causing what administrators called “a fire code nightmare.” Some freshmen, however, decided to turn the close-quarters situation into their advantage. Casually walking past the “Germ”any Disease Association, young freshmen like Jeff Lerman moved