Fifty-four-ninety-five. That's the current market price for sleaze. For $54.95, the eager entrepreneurs will feed into your TV set the closest thing sports has these days to pornography. Mike Tyson. Sometime around midnight Saturday, maybe on the dark side of Sunday, Tyson will fight for the heavyweight championship of the world, and it will be on pay-per-view. His credentials for deserving such a lavish profitable opportunity: exactly 19 rounds of professional fistfights in the last five years. But of course, that ludicrously rare amount of actual competition is not the real reason, not the real qualification. The real qualification is...