Think Tank
  		 |  		 			Political 			Orientation
  		 |  		 			Number of 			Media Citations 1995
  		 |  		 			Number of 			Media Citations 1996
  		 |  		 			Number of 			Media Citations 1997
  		 |  	
 	 		 			Brookings 			Institution
  		 |  		 			U.S. Centrist
  		 |  		 			2192
  		 |  		 			2196
  		 |  		 			2296
  		 |  	
 	 		 			Heritage 			Foundation
  		 |  		 			U.S. Conservative
  		 |  		 			2268
  		 |  		 			1779
  		 |  		 			1813
  		 |  	
 	 		 			American 			Enterprise Institute
  		 |  		 			U.S. Conservative
  		 |  		 			1297
  		 |  		 			1401
  		 |  		 			1323
  		 |  	
 	 		 			Cato Institute
  		 |  		 			U.S. 			Conservative/libertarian
  		 |  		 			1163
  		 |  		 			1136
  		 |  		 			1286
  		 |  	
 	 		 			RAND Corporation
  		 |  		 			U.S. Center-right
  		 |  		 			795
  		 |  		 			826
  		 |  		 			865
  		 |  	
 	 		 			Council on 			Foreign Relations
  		 |  		 			U.S. Centrist
  		 |  		 			747
  		 |  		 			727
  		 |  		 			755
  		 |  	
 	 		 			Center for 			Strategic and International Studies
  		 |  		 			U.S. Conservative
  		 |  		 			612
  		 |  		 			586
  		 |  		 			668
  		 |  	
 	 		 			Urban Institute
  		 |  		 			U.S. Center-left
  		 |  		 			749
  		 |  		 			655
  		 |  		 			610
  		 |  	
 	 		 			Economic Policy 			Institute
  		 |  		 			U.S. Progressive
  		 |  		 			399
  		 |  		 			452
  		 |  		 			576
  		 |  	
 	 		 			Freedom Forum
  		 |  		 			U.S. Centrist
  		 |  		 			496
  		 |  		 			625
  		 |  		 			531
  		 |  	
 	 		 			Hudson Institute
  		 |  		 			U.S. Conservative
  		 |  		 			354
  		 |  		 			396
  		 |  		 			481
  		 |  	
 	 		 			Institute for 			International Economics
  		 |  		 			U.S. Centrist
  		 |  		 			410
  		 |  		 			288
  		 |  		 			438
  		 |  	
 	 		 			Center on Budget 			and Policy Priorities
  		 |  		 			U.S. Progressive
  		 |  		 			-
  		 |  		 			359
  		 |  		 			425
  		 |  	
 	 		 			Hoover 			Institution
  		 |  		 			U.S. Conservative
  		 |  		 			570
  		 |  		 			350
  		 |  		 			355
  		 |  	
 	 		 			Carnegie 			Endowment
  		 |  		 			U.S. Centrist
  		 |  		 			517
  		 |  		 			502
  		 |  		 			352
  		 |  	
 	 		 			Competitive 			Enterprise Institute
  		 |  		 			U.S. Conservative
  		 |  		 			298
  		 |  		 			205
  		 |  		 			290
  		 |  	
 	 		 			Manhattan 			Institute
  		 |  		 			U.S. Conservative
  		 |  		 			254
  		 |  		 			227
  		 |  		 			261
  		 |  	
 	 		 			Progressive 			Policy Institute
  		 |  		 			U.S. Centrist
  		 |  		 			455
  		 |  		 			279
  		 |  		 			251
  		 |  	
 	 		 			International 			Institute for Strategic Studies
  		 |  		 			U.S. Conservative
  		 |  		 			177
  		 |  		 			145
  		 |  		 			177
  		 |  	
 	 		 			Institute for 			Policy Studies
  		 |  		 			U.S. Progressive
  		 |  		 			161
  		 |  		 			110
  		 |  		 			172
  		 |  	
 	 		 			Worldwatch 			Institute
  		 |  		 			U.S. Progressive
  		 |  		 			201
  		 |  		 			186
  		 |  		 			168
  		 |  	
 	 		 			Center for 			Defense Information
  		 |  		 			U.S. Progressive
  		 |  		 			136
  		 |  		 			187
  		 |  		 			158
  		 |  	
 	 		 			Joint Center for 			Political and Economic Studies
  		 |  		 			U.S. Center-left
  		 |  		 			255
  		 |  		 			228
  		 |  		 			158
  		 |  	
 	 		 			Progress and 			Freedom Foundation
  		 |  		 			U.S. Conservative
  		 |  		 			570
  		 |  		 			234
  		 |  		 			122
  		 |  	
 	 		 			Reason Foundation
  		 |  		 			U.S. 			Conservative/libertarian
  		 |  		 			229
  		 |  		 			133
  		 |  		 			92
  		 |