The greatest threat to the Western alliance in the 1960s did not come from an enemy, but from an ally. France, led by its mercurial leader General Charles de Gaulle, launched a global and comprehensive challenge to the United State's leadership of the Free World, tackling not only the political but also the military, economic, and monetary spheres. Successive American administrations fretted about de Gaulle, whom they viewed as an irresponsible...