Democracy opens in 490 B.C., with Athens at war. The hero of the story, Leander, is trying to rouse his comrades for the morrow's battle against a far mightier enemy, and begins to recount his own life, having borne direct witness to the evils of the old tyrannical regimes and to the emergence of a new political system. The tale that emerges is one of daring, danger, and big ideas, of the death of the gods and the tortuous birth of democracy. We see...