Two words: Dynamic. Pricing. That, per today's announcement, is how Your Dallas Stars have chosen to sell seats this season -- beginning this very Saturday, matter of fact, when regular-season single-game seats go on sale for October and November. And what, you may be asking, is dynamic pricing, other than, perhaps, a Pat Bullard-hosted program on the Game Show Network? In short, Tom Hicks's hockey team will charge more or less for upper-level ducats depending upon the demand for a particular