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Drivers in the nation's capital face a host of hazards: high-speed traffic circles, presidential motorcades, jaywalking tourists, and bewildering signs that send unsuspecting motorists from the Lincoln Memorial into suburban Virginia in less than two minutes. And parking? Don't bet on it unless you're in the fast lane of the Capital Beltway during rush hour.

Little wonder, then, that so many residents and visitors rely on the Washington Metro, the 106-mile rapid transit system that serves the District of Columbia and its inner suburbs. In the first comprehensive history of the Metro,...

University researchers in the United States seeking to observe, survey, or interview people are required first to complete ethical training courses and to submit their proposals to an institutional review board (IRB). Under current rules, IRBs have the power to deny funding, degrees, or promotion if their recommended modifications to scholars' proposals are not followed. This volume explains how this system of regulation arose and discusses its chilling effects on research in the social sciences and humanities.

Zachary M. Schrag draws on original research and interviews with the key...