The Power To Control Is Internet freedom threatened more by dominant companies or by the government's efforts to hem them in? Mr. Wu's solution is to propose a "Separation Principle," a form of industry self-regulation to be overseen by the Federal Communications Commission (though he concedes that there is an ever-present danger of regulatory capture—whereby the FCC or other agencies become excessively influenced by the businesses they are meant to be regulating). The key to competition in the information industry, Mr. Wu believes, is a complete independence among its three layers: content owners (e.g., a games developer); network infrastructure (e.g.,...