By Francis X. Tailor, RealClearDefense: "As the U.S.-Taliban peace negotiations lurch forward in fits and starts, there is a fundamental question lingering in the minds of U.S. policymakers in Washington—is there a way for the United States to withdraw the preponderance of its troops and extricate itself from an otherwise endless war while at the same time ensuring fundamental U.S. national security interests continue to be protected?"