The most unsettling danger is that post-election combat by party warlords will become a permanent part of the political process. Curtis Gans, the director of the committee for the Study of the American Electorate, expects between 118 million and 121 million Americans to vote next week, up sharply from the 105 million who voted in 2000. The larger figure would represent a turnout of 60 percent of eligible voters, the highest since 1968, and is just one indicator of the passions aroused by this campaign. But regardless of turnout and your preferred candidate, we all ought to hope for this...