DEFENSE Secretary Donald Rumsfeld recently declared that the war in Iraq “has nothing to do with oil, literally nothing.” However, since all other reasons for the Iraq invasion turned out to be baseless, some experts are concluding the opposite. Oil and natural gas are playing a growing role in molding U.S. foreign policy and troop deployments, says Dr. Michael T. Klare, a professor at Hampshire College in Amherst, Mass. In the current Nation magazine, Klare argues that the administration’s intense desire to protect and control oil reserves is driving U.S. foreign policy. For one thing, he notes, the government is...