A riveting new account of Theodore Roosevelt's impassioned crusade for military preparedness as America fitfully stumbles into World War I, spectacularly punctuated by his unique tongue-lashings of the vacillating Woodrow Wilson, his rousing advocacy of a masculine, pro-Allied "Americanism," a death-defying compulsion for personal front-line combat, a gingerly rapprochement with GOP power brokers-and, yes, perhaps, even another presidential campaign.