Christopher A. Preble contends that the vast military strength of the United States has induced policymakers to broaden the perception of the “national interest.”

Christopher Preble was the vice president for defense and foreign policy studies at the Cato Institute. He currently works as the co‐​director of the New American Engagement Initiative at the Atlantic Council.

Numerous polls show that Americans want to reduce our military presence abroad, allowing our allies and other nations to assume greater responsibility both for their own defense and for enforcing security in their respective regions. Why haven’t we done so? In The Power Problem, Christopher A. Preble contends that the vast military strength of the United States has induced policymakers in Washington to broaden the perception of the “national interest,” and ultimately to commit ourselves to the impossible task of maintaining global order.

Preble holds that the core national interest — preserving American security — is easily defined and largely immutable. In his view, military power is purely instrumental: if it advances U.S. security, then it is fulfilling its essential role.