Robert Higgs is senior fellow in political economy at the Independent Institute and editor of The Independent Review. He is also a columnist for LewRockwell.com. His most recent book is Neither Liberty Nor Safety: Fear, Ideology, and the Growth of Government. He is also the author of Depression, War, and Cold War: Studies in Political Economy, Resurgence of the Warfare State: The Crisis Since 9/11 and Against Leviathan: Government Power and a Free Society.
Update: Another great one by Robert Higgs: Military Keynsianism to the Rescue?