Iraq & Afganistan Wars

Larry Goodson is associate professor of international Studies at Bentley College, Waltham, Massachusetts. He the author of the book, Afghanistan Endless War: State Failure, Regional Politics, and the Rise of the Taliban (University of Washington press). Goodson writes that Afghanistan has become the archetype of a failed state and a perfect example of how nonstate actors move into the vacuum created when a state fails. He also writes about the divisions in the Afghan population: ethnic, linguistic, regional, sectarian, racial, and tribal.

Journalist Charles Sennott of the Boston Globe. He just returned from Afghanistan. He is also the author of the new book, The Body and The Blood: The Holy Land Christians At the Turn of a New Millennium (PublicAffairs). Sennott was the Globe Middle East bureau chief, and is currently the Globe Europe bureau chief and lives in London.

Journalist Sebastian Junger. Last year he traveled to Afghanistan to profile Ahmad Shah Massoud, (known as the "Lion of Panjshir"), the legendary leader of the guerrilla war against the Soviets, who had been fighting the Taliban. Massoud was assassinated by Osama bin Ladens associates about two weeks ago.

Rutgers Professor of Science and Public Policy Leonard Cole has written "The Eleventh Plague, the Politics of Biological and Chemical Warfare." In it, he tells about the extraordinary danger posed by biological and chemical weapons. He reveals how the United States Army conducted tests for many years using both biological and chemical agents on Americans.

Rolling Stone's Matthieu Aikins reported on this year's opium harvest — the biggest in Afghanistan's history. He also talks about traveling with a rescue crew in Syria and a Shia militia in Iraq.