EVANSTON—Several Northwestern University students said Thursday that they hold relaxed views about “sexiling,” a slang word used to describe the act of barring a roommate from entry into living quarters to ensure privacy for intimate relations. “I think people have common sense,” said Joana Smith, Medill freshman. “Text if you’re going to bring someone home.” In college campuses across the country, “sexiling” has become an issue. Tufts University recently created a policy outlawing students from having sex while roommates are