Attentive readers will recall that among my many pet peeves (and being able to complain to a wide circle of people about your pet peeves is one of blogging's greatest fringe benefits) is the candidate who proclaims that you should vote for him because he's "a businessman, not a politician." As though the fact that there are a lot of shady car mechanics out there means that when you need a new timing belt, the best person for the job would be a florist or an astronomer, because they're not tainted by the car repair racket.
I've written at some length about why exactly success in business doesn't prepare you to be a good senator or governor, but the short version is that the two realms are extremely different. So it isn't too surprising that when businesspeople decide to run for office, most of the time they fail. They come in with a lot of money, flush it down the toilet on an overly expensive campaign, and quickly discover that there is a whole set of skills necessary for success that they don't possess. When you try to think of business leaders who got elected, then used their business acumen to do things differently and really made a major impact, it's hard to think of many names other than Michael Bloomberg. Here and there you'll find someone like former Tennessee governor Phil Bredesen who did pretty well, but more common is candidates like Ross Perots, or Meg Whitman, or Linda McMahon, or Al Checci (there's a blast from the past for you political junkies). They think, "Sure I can do this better than those empty suits—I've made a billion dollars!" And then they lose.
Not every time, of course, but most of the time. Which is why Democrats should be pleased to hear this: