(HTML version) A presentation by Carl Conetta to the International Network of Engineers and Scientists for Global Responsibility, Cambridge, MA, USA, 23 July 1998. The expansion of NATO is as fateful an initiative as any undertaken in the past 200 years, calling to mind the decisions made at the 1814 Congress of Vienna and at Versailles in 1919. It is peculiar and disconcerting, then, that the questions this initiative inspires remain so elementary: Why expansion? And, To what effect? At what cost, financial and strategic?