Between January and July 1919, after "the war to end all wars," men and women from around the world converged on Paris to shape the peace. Center stage was an American president, Woodrow Wilson, who with his Fourteen Points seemed to promise to so many people the fulfillment of their dreams. Stern, intransigent, impatient when it came to security concerns and idealistic in his dream of a League of Nations that would resolve all future conflict peacefully,...