We are not fighting grand wars but, rather, are waging small campaigns from squad to brigade level hourly, daily, monthly, until the counterinsurgency is defeated or neutralized.
This, to me, is one of the most interesting lines in the article. Forseman manages to capture the history of most of the Army's combat operations in a single sentence. Aside from the big wars (Civil War, the World Wars) this has been the Army's main combat experience. Yet it's also the one the Army has historically tried to run from or discard doctrine for.