The Dark Knight has officially opened, and the figures are in: the NY Times reports that the movie took in "$18.5 million in gross revenue at its 12 a.m. opening screenings early Friday morning at 3,040 screens, the most ever for midnight shows." Gawker laments about the movie taking the title from 2005's Star Wars, Episode III: The Revenge of the Sith, which previously held it for racking up $16.9 million at 2,915 screens. Meanwhile,......