Think you can't wait till Nov. 6 for the end of all the whiny negative ads, yawner debates and sloshing special-interest money? If you live in Dallas or Houston, tough luck. Things will only get worse after the election, as a handful of congressional races proceed into a political version of sudden-death overtime. Texas has been forced to stage its own set of December runoffs that could conceivably leave the rest of the nation wondering, for a full five weeks after the election, who will control the House.
This year's presidential contest may be losing its suspense, but the battle for...