Every April the Army War College's Strategic Studies Institute hosts its Annual Strategy Conference. This year's theme, "Strategy During the Lean Years: Learning From the Past and the Present," brought together scholars, serving and retired military officers, and civilian defense officials from the United States, Canada, and the United Kingdom to discuss strategy formulation in time of penury from Tacitus to Force XII. In this time of declining defense budgets, the Army and the other services are coping with the dual challenges of downsizing while remaining the world's foremost military....