As late as the presidency of John F. Kennedy, the principal image of federal administrative action was the adjudication of a case-a prosecution by the Federal Trade Commission, an enforcement action by the National Labor Relations Board, a licensing proceeding before the Federal Communications or Federal Power Commissions, or a rate proceeding at the Interstate Commerce Commission. Thirty years later, when U.S. citizens think of regulation, they tend to think of the adoption of general rules concerning workplace safety by the Occupational and Safety Health Administration ( OSHA ), or of rules governing air or water quality by the Environmental Protection Agency ( EPA ). Nor is rulemaking the exclusive province of post-New-Frontier agencie...