Few spectacles will lower your jaw to your lap faster this summer than the first oh-my-God glimpse of the aging crew members of the starship Enterprise reunited for Star Trek V: The Final Frontier. The joke goes that there haven't been so many wrinkles and wattles on parade since the California Raisins. But there's nothing funny about the desperate way the old gang resists the fact that time goes by. What could have been a heartfelt valedictory to the troops in the September of their light-years…