“We know, for instance, that Americans have forcefully resisted extending the right to vote; those in power have disenfranchised blacks, women, and the poor in myriad ways. We know, too, that women historically have had fewer civil protections than corporations. Instead of a thoroughgoing democracy, Americans have settled for democratic stagecraft: high-sounding rhetoric, magnified, and political leaders dressing down at barbecues or heading out to hunt game.”