What Have We Learned From the 9/11 Wars?

Over the next month, the United States will pass two major historical milestones: the five-year anniversary of its withdrawal from Afghanistan and the 25-year anniversary of the terrorist attacks of Sept. 11, 2001. While the latter is likely to receive at least a modicum of respectful remembrance from U.S. leaders and the American public, the former is likely to be ignored by the U.S. government and to escape broader notice.