| ID | Interpret | Skladba | Album | |
| 121. | Cato Institute | U.S. Agricultural Policy with or without Doha | Cato Institute Policy Forum |  |
| 122. | Cato Institute | Health Savings Accounts-05-24-07-2 | Cato Institute Policy Forum | |
| 123. | Drew Clark | Mapping the Fault Lines in Telecomm, Media, and Tech Lobbying | 2007 EDUCAUSE Policy Conference | |
| 124. | Cato Institute | US Trade Remedy Laws-04-17-07 | Cato Institute Policy Forum | |
| 125. | Cato Institute | Gay Marriage | Cato Institute Policy Forum |  |
| 126. | Randy lewis | Reps. Davis and Bridges: please save some crazy for the rest of us | Georgia Political and Policy Digest | |
| 127. | Dimitri Zenghelis | The Stern Review on the Economics of Climate Change | Goldman School of Public Policy | |
| 128. | Grayson Hurst Daughters | At the AJC ItÕs Do As We Say, Not As We Do | Georgia Political and Policy Digest | |
| 129. | Cato Institute | Freeing the Farm-04-26-07 | Cato Institute Policy Forum | |
| 130. | Cato Institute | U.S. Trade Policy in the Wake of Doha | Cato Institute Policy Forum | |
| 131. | Grayson Hurst Daughters | At the AJC ItÕs Do As We Say, Not As We Do | Georgia Political and Policy Digest | |
| 132. | Cato Institute | Overkill: The Rise of Paramilitary Police Raids in America | Cato Institute Policy Forum | |
| 133. | Drug Policy Alliance | Drug Policy Alliance Podcasts | Drug Policy Alliance Podcasts | |
| 134. | Cato Institute | DC Gun Ban in the Cross Hairs-03-22-07 | Cato Institute Policy Forum | |
| 135. | Cato Institute | Has U.S. Income Inequality Increased? | Cato Institute Policy Forum | |
| 136. | Hunt Tooley | Peace in the Middle East: Empire, Oil, and the Reshaping of the Middle East After World War I | ASC Panel: Security and Foreign Policy | |
| 137. | Cato Institute | Want Trade Agreements-09-28-07 | Cato Institute Policy Forum | |
| 138. | Jim Harper | Identity Crisis: How Identification Is Overused and Misunderstood | 2007 EDUCAUSE Policy Conference | |
| 139. | Cato Institute | Truths about Energy-11-27-07 | Cato Institute Policy Forum | |
| 140. | Cato Institute | Human Organs for Sale? | Cato Institute Policy Forum | |
| 141. | Daniel McCarthy | Commentary | ASC Panel: Security and Foreign Policy | |
| 142. | Ethan Nadelmann & Daniel Wolfe | 112807nadelmann | Drug Policy Alliance Podcasts | |
| 143. | Cato Institute | The Dangers of Discloser-03-27-07 | Cato Institute Policy Forum | |
| 144. | Cato Institute | Do Public Schools Cause Conflict-01-23-07 | Cato Institute Policy Forum | |
| 145. | Jim Harper | Identity Crisis: How Identification Is Overused and Misunderstood | 2007 EDUCAUSE Policy Conference | |
| 146. | Cato Institute | Advancing Economic Freedom in the Middle East | Cato Institute Policy Forum | |
| 147. | Internet Caucus Advisory Committee | Borders and Internet Governance: Challenges for Businesses Operating Abroad | Congress Hears Tech Policy Debates | |
| 148. | Internet Caucus Advisory Committee | Can Green Energy Save the Internet? | Congress Hears Tech Policy Debates | |
| 149. | Internet Caucus Advisory Committee | How has technology and the Internet changed the way we connect, contribute, and communicate? | Congress Hears Tech Policy Debates | |
| 150. | Internet Caucus Advisory Committee | Tracking Wireless Location Privacy | Congress Hears Tech Policy Debates | |
