Former Ambassador Joe Wilson

He produced the new documentary Truth, War and Consequences (on most PBS stations Thursday, Oct. 9 at 9 p.m.) It's about the infighting between the Pentagon, State Department and White House, before the Iraq war, over the intelligence information about weapons of mass destruction.

Peter W. Galbraith is a former U.S. ambassador to Croatia, and is now professor of national-security studies at the National War College in Washington, D.C. Since the late 1980s he has been studying Iraqi war crimes and has also worked closely with the Kurds, who control a small territory in northern Iraq. He'll talk about the effect of a war on the Kurdish people.

Norman Podhoretz is considered the grandfather of the neoconservative movement, which had its birth in the 1970s. The former editor of the monthly magazine, Commentary, Podhoretz subscribes to what some call the "Bush Doctrine" of foreign policy, favoring pre-emptive action against potential threats. Podhoretz wrote a 37-page defense of the Bush administration's foreign policy, published in Commentary called "World War IV: How it Started, What it Means, and Why We Have to Win."