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The legal, policy, and ethical issues connected with homeland and national security are among the most challenging for the United States as well as for individuals working in the field. The stakes are high, in terms of both protecting national security and ensuring that the nation’s values are protected. Here, as in few other areas of law and policy, all aspects of the unique system of the U.S. government are implicated, including the relative roles, authorities, and restrictions applicable to the legislative, judicial, and executive branches as well as the role of federalism in delimiting responsibility and authority between the federal government and the states. In a globalized world where threats to small communities may have a transnational context, the place of one nation and ...

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