Many thanks to David Sirota for his contributions yesterday! Next up in our guest blogging lineup: Rahul Mahajan, whose Empire Notes blog is an indispensable read on the U.S. presence in the Middle East (among other things). Rahul, an activist in Texas for many years, has visited Iraq twice since the invasion and reported from Fallujah during the seige in April. He is the author of two books on U.S. foreign policy, The New Crusade: America's War on Terrorism and Full Spectrum Dominance: U.S. Power in Iraq and Beyond.