Have you been “Back to Boulder?” It’s a question being posed by the University of Colorado Boulder Alumni Association to its family of more than 250,000 students and alumni. Alumni, current students, faculty, staff and community members will find a broad slate of activities for the 2012 Homecoming weekend starting Thursday, Nov. 1. A full description of activities and events as well as event registration can be found on the Back to Boulder website at http://www.cualum.org/back2boulder .