The Director of National Intelligence improves collaboration between agencies / Heinisha S. Jacques -- The Director of National Intelligence aggravates agency turf wars / C. Boyden Gray -- The Department of Homeland Security should be abolished / Gene Healy -- The Department of Homeland Security should be given more power / Josh Filler -- Intelligence gathering has improved since 9/11 / George W. Bush -- Intelligence gathering has not improved since 9/11 / Melvin A. Goodman -- Warrantless wiretaps are needed to protect against terrorism / Mortimer B. Zuckerman -- Warrantless wiretaps are not needed to protect against terrorism / The Left Coaster Blog -- The FBI is abusing its national security powers / Julian Sanchez -- The FBI is committed to ending abuse of its national security powers / Office of the Inspector General, Department of Justice -- Intelligence justified the war in Iraq / James Lacey -- Intelligence did not justify the war in Iraq / John F. McManus -- U.S. Intelligence has had successes against the Taliban / Adam Entous and Sue Pleming -- U.S. Intelligence is failing against the Taliban / Michael T. Flynn, Matt Pottinger, and Paul D. Batchelor -- The CIA has failed to advance U.S. interests / John Judis -- The CIA should not be blamed for policy failures / Roger Z. George -- Enhanced interrogation has been effective at gathering intelligence / Marc A. Thiessen -- Torture is not an effective intelligence-gathering technique / Matthew Alexander -- CIA agents used torture and should be prosecuted / Larry Cox -- CIA agents did not use torture / Jeffrey Addicott -- CIA agents who used torture should not be prosecuted / Harvey Silverglate -- Torture was a desperate response to intelligence failure / George Friedman -- Torture undermines the effectiveness of the FBI / Asha Rangappa.