Our undying devotion to simultaneous movie releases has earned us a small share of hate mail over the years, especially from folks in the movie theater business. Our complaining about the crowds, the inconvenience, and most importantly, the cost really gets on their nerves. They make all manner of excuses for what goes on in theaters. The high prices of concessions, we're told, stems from two factors. First, they say, movie theater employees earn more on average than your man at McDonald's, so you shouldn't expect the price to compare with Chez McDo. More importantly, they claim that the movie...