STEVE FORBES MAY BE THE ONLY man ever to run for President who behaves as if it's bad manners to introduce himself to strangers. On the campaign trail, he approaches voters with disarming politeness. "Hi, I'm Steve Forbes," he says softly, and then extends a delicate, manicured hand as though he's reaching for a wine glass. He doesn't plunge into crowds; he tiptoes through them, smiling apologetically, as if he doesn't want to be a nuisance.
But Steve Forbes has not been shy about bankrolling a campaign that is anything but polite. In the two months since he announced his candidacy,...