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Brookings Institution
Location: Washington
Annual budget: $60.7 million
Specialties: U.S. foreign policy, Middle East
Boldface names: Strobe Talbott, Kenneth Pollack, Alice Rivlin
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Council on Foreign Relations
Location: New York
Budget: $38.3 million
Specialties: U.S. foreign policy, national security
Boldface names: Richard Haass, Michael Gerson, Walter Russell Mead, Angelina Jolie
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Carnegie Endowment for International Peace
Location: Washington
Budget: $22 million
Specialties: Nuclear nonproliferation, China
Boldface names: Jessica T. Mathews, Robert Kagan, Minxin Pei
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Rand Corporation
Location: Santa Monica, Calif.
Budget: $251 million
Specialties: Military strategy, political economy
Boldface names: James Dobbins, Gregory Treverton, William Overholt
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Heritage Foundation
Location: Washington
Budget: $48.4 million
Specialties: Tax policy, missile defense
Boldface names: Edwin Meese, Peter Brookes, James Jay Carafano
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Woodrow Wilson International Center for Scholars
Location: Washington
Budget: $34.5 million
Specialties: Regional studies, democracy promotion
Boldface names: Lee Hamilton, Haleh Esfandiari
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Center for Strategic & International Studies
Location: Washington
Budget: $29 million
Specialties: Defense policy, diplomacy
Boldface names: John Hamre, Richard Armitage, Zbigniew Brzezinski, Anthony Cordesman
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American Enterprise Institute
Location: Washington
Budget: $23.6 million (2006)
Specialties: Trade, defense
Boldface names: Newt Gingrich, David Frum, Richard Perle
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Cato Institute
Location: Washington
Budget: $19 million
Specialties: Libertarianism, deregulation
Boldface names: David Boaz, Edward Crane, Christopher Preble
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Hoover Institution
Location: Stanford, Calif.
Budget: $34.1 million
Specialties: Defense policy, conservatism
Boldface names: Larry Diamond, Michael McFaul, Victor Davis Hanson
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Human Rights Watch
Location: New York
Budget: $35.5 million
Specialties: Human rights, international justice
Boldface names: Kenneth Roth
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Peterson Institute for International Economics
Location: Washington
Budget: $9.5 million
Specialties: Trade, globalization
Boldface names: C. Fred Bergsten, Anders Åslund, William Cline
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United States Institute of Peace
Location: Washington
Budget: $24.7 million
Specialties: Conflict resolution, postconflict stability
Boldface names: Richard Solomon, Scott Lasensky, J. Alexander Thier
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National Bureau of Economic Research
Location: Cambridge, Mass.
Budget: $29.8 million
Specialties: Economic growth, empirical research
Boldface names: James Poterba, Robert Lipsey, Martin Feldstein
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Center for Global Development
Location: Washington
Budget: $9.8 million
Specialties: Globalization, inequality
Boldface names: Nancy Birdsall
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World Policy Institute
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Center for American Progress
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Carter Center
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Hudson Institute
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Urban Institute
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EastWest Institute
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New America Foundation
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Manhattan Institute
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Resources for the Future
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Baker Institute for Public Policy
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Henry L. Stimson Center
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Center for Transatlantic Relations
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Independent Institute
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International Peace Institute
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National Center for Policy Analysis (tied)
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Mercatus Center (tied)