Despite complaints, Security House is a cure, not a poison for Middlesex. It’s hard to think of a structure that’s drawn more attention than the welcome booth. The change, of course, initially came with unfamiliarity. Does the Welcome Booth do its job? To be fair, the majority of students, by first instinct, resisted the change. From long walks to the Clay House driveway for deliveries to morning traffic, students often see the booth as an inconvenience. But in the end, the welcome booth…