Listen to Richard N. Haass speak about his book War of Necessity, War of Choice: A Memoir of Two Iraq Wars, which details how and why the two wars resulted from two different policymaking processes, approaches to U.S. foreign policy, and presidential personalities.

Listen to CFR President Richard N. Haass discuss his new book, War of Necessity, War of Choice: A Memoir of Two Iraq Wars, with educators as part of CFR's Academic Conference Call series.

Learn more about CFR's Academic Initiative.

Listen to Senator Joseph Lieberman (I-CT) offer his view of the situation in Afghanistan and Pakistan and his assessment of President Barack Obama's new strategy for the region.

This conversation was part of the Council on Foreign Relations' Afghanistan, Pakistan, and U.S. National Security Symposium.

Listen to William J. Fallon, former commander of U.S. Central Command and U.S. Pacific Command, reflect on his career and the lessons learned from the conflicts in Vietnam, Iraq, and Afghanistan.

Listen to experts shed light on such topics as what broad changes in NATO strategy are needed in Afghanistan, how NATO and U.S. forces can achieve unity of concept as well as unity of command, what can be done to better integrate the humanitarian, counterinsurgency, and counterterrorism missions, and others as part of the Council on Foreign Relations "NATO at 60" Symposium.

Listen to Barry McCaffrey, a retired U.S. army general and adjunct professor of international affairs at West Point, discuss past failings and future options for success in Iraq five years after the war began.

Listen to Sam Nunn, cochairman and chief executive officer of the Nuclear Threat Initiative, reflect on the past sixty years of efforts to prevent nuclear war and discuss strategies to combat today's growing nuclear threats.

Listen to Robert D. Hormats, vice chairman of Goldman Sachs International, discuss his recent book The Price of Liberty: Paying for America's Wars.

Listen to the Council's Senior Fellow for National Security Studies Max Boot discuss his new book War Made New: Technology, Warfare, and the Course of History: 1500 to Today.

Listen to Israeli Vice Prime Minister Shimon Peres discuss the current crisis with Hezbollah and the broader geopolitical environment in the Middle East.

Listen to the principal authors of the Pentagon’s Joint Forces Command’s “Iraq Perspective Project” Kevin Woods and James Lacey discuss the inner workings of Saddam Hussein’s regime.

Listen to Iraq Experts Ahmed Hashim and Nir Rosen discuss the ongoing sectarian violence in Iraq, the role of Muqtada al-Sadr, and the challenges facing the United States.

The dispute between President Obama and Congress over the legality of the U.S. military intervention in Libya has spurred new debate on the power of presidents to make and prosecute wars.

Experts point to a number of postwar models, from Bosnia to Vietnam to South Korea, for Iraq to follow once U.S. forces leave.

Despite eroding public support for the Iraq war, troop morale remains high. Experts warn that could change as U.S. forces get further bogged down in Iraq.

Backgrounder: The latest U.S. surge coincides with a drawdown of British forces. The dwindling coalition may hinder U.S. efforts to secure Iraq.

President Bush's new "surge" plan to clear and hold Baghdad's neighborhoods faces a tough challenge from high levels of sectarian violence.

President Bush’s review of U.S. Iraq policy may involve adjustments to broader U.S. strategy in the Mideast. Bush is hearing proposals ranging from a boost in combat forces to engaging Iran and Syria to a linkage with the Israeli-Palestinian conflict. Yet few expect dramatic shifts in policy.

It is unclear if classifying the conflict in Iraq as a civil war will have serious ramifications for U.S. military strategy there or, for that matter, U.S. domestic politics.