Today is an historical marker of immense importance in American history: it is the centenary of American entry into the Great War, later known as the First World War. One hundred years ago today the United States declared war on Germany following strong majority votes in both Houses of Congress and the impassioned speech of President Woodrow Wilson to a joint session on April 2, wherein he asserted that America must fight in the European war “to make the world safe for democracy.” A century later, the ghosts of hallowed American war-dead at Belleau Wood, the Second Battle of the...