William O. Beeman, "The "Great Satan" vs. the "Mad Mullahs",University of Chicago Press, 2008. pg 135: "The Bush administration also flitered with supporting the Mujaheddin-Khalq (MEK) in their efforts to overthrow the Tehran government, supporting Mahmud Ali Chehregani, leader of an Azerbaijani separatist movement calling for a federated Iran".