An expert on Central Asia and Afghanistan, Barnett Rubin, Associate Professor of Political Science at Columbia University, and a former Peace Fellow with the United States Institute of Peace He's just returned from three former Soviet republics which have large Muslim populations, which he says are now run by ex-communists. Rubin will also discuss the aftermath of the Afghan War, and how many of the radical Arabs who went to Afghan to help the rebels are now taking their "holy war" elsewhere.