Jeannine C. Lalonde, senior assistant dean of admissions at the University of Virginia, posts regularly, as Dean J, in College Confidential's UVa forum, where respect for her is evident. Ms. Lalonde answers questions and looks for "teachable moments" when she can step in, like when someone says UVa considers an applicant's "demonstrated interest." (It doesn't.) She avoids pro-UVa cheerleading. Although she dislikes some aspects of College Confidential, she considers engaging students there an essential part of her job. If you imagine a college's forum as a r...