You've heard about this 36,000-word bill that proposes to pay for new roads with a menu of taxes and fees, including a sales tax on gas, and on house and car purchases. You've also heard the pleas - from, well, everybody - for simplicity and fairness and maybe enough money to actually fix the problem we've got. The kind of money Virginia could reap from a higher gas tax, or a bump in the sales tax. Or from wider tolling. But instead of either simplicity or fairness, Virginia will end up with a transportation-funding plan that gathers an inadequate mess...