France's President Charles de Gaulle in Canada in 1967. Both countries now espouse strategic autonomy. Bettmann/Getty Images Strategic autonomy is having a moment. European leaders are invoking it to justify a historic defense buildup; India’s foreign ministry has made it the organizing principle of a policy that buys Russian oil while courting American investment; and Canada is treating it as a “core objective.” The phrase is everywhere in international relations circles, but the explanation i