the dominant media firms are quite large businesses; they are controlled by very wealthy people or by managers who are subject to sharp constraints by owners and other market-profit–oriented forces;40 and they are closely interlocked, and have important common interests, with other major corporations, banks, and government. This is the first powerful filter that will affect news choices.

— Manufacturing Consent by Edward S. Herman, Noam Chomsky, Edward S. Herman, and 1 other