Can Source be a supplier and a competitor, too?

Much muttering in the U.S. magazine business about Source Interlink's purchase of the enthusiast division of Primedia (see previous post). According to a story in Folio:, among the questions being asked is how can a major distributor impartially deal with its clients when it is one of their competitors? Part of the muttering is caused by the recent exclusive deal that Source Interlink cut with