It is a Sunday in late November, which means that college football teams will be pitted against their most hated rivals. Auburn fans will attend tailgate parties wearing t-shirts depicting the Auburn tiger mascot strangling the Alabama elephant. Ohio State fans will have spent the preceding week working at desktops adorned with paperweights depicting their buckeye mascot smashing Michigan wolverines.

Why do you suppose that the University of Alabama, the University of Auburn, and the University of Michigan give permission for these items to be produced and sold, when the items do not flatter their trademarked mascots? Is this a cooperative or noncooperative game?