Script For "Dark Knight" Sequel Isn't Finished!

Michael Caine revealed in an interview that the script for Nolan's final Batman film, "The Dark Knight Rises" isn't yet finished, even thought filming is said to begin sometime in the Spring.
This is what he said: "I talked to Chris last week because I said I hadn't gotten a script and he said, 'I haven't finished it.' And he said, 'I'll finish it in two weeks.'"