Here's the link to a Sports Illustrated Online writer that mentioned this incedent in his "mailbag" article:
http://sportsillustrated.cnn.com/ins...andel_mailbag/
Here's the excerpt:
My old fraternity gets kicked off campus : (Figured our largely college-oriented audience might appreciate this one.) Sad to say, the once-proud Kappa Sigma chapter at Northwestern is no more following a formal at Chicago's Shedd Aquarium that went haywire. Without going into detail, all you really need to know is that one of the charges was "animal endangerment." Even the writers of Old School couldn't have dreamt that one up.