Last week the Pew Research Center came out with a study of the American electorate that crystallized something I've been sensing for a long time: rich people are boring, but poor people are interesting. The Pew data demonstrated that people at the top of the income scale are divided into stable, polar camps. There are the educated-class liberals - antiwar, pro-choice, anti-tax cuts - who make up about 19 percent of the electorate, according to Pew. And there are business-class conservatives - pro-war, pro-life, pro-tax cut - who make up 11 percent of voters. These affluent people are pretty well...