Using history to understand the present can be a useful tool, but it is also a limited one. Historical cases are not identical to contemporary ones, and there is a danger of conflating challenges in such a manner that, rather than illuminating a present challenge, history obfuscates it. This problem tends to be evident in the inaccurate use of analogies by policymakers, commentators, and analysts… Michael J. Williams. Political-Military Lessons from U.S. Operations in Vietnam and Afghanistan