It's been more than a decade since Batman Begins, the first installment in Christopher Nolan's Dark Knight Trilogy, hit theaters. And yet, even after all this time, new information about the movie is still finding its way out of the Batcave and into the light of day. For example, screenwriter David S. Goyer has officially debunked a theory about a key Batman Begins character: Ra's al Ghul (played by Liam Neeson). The attention-grabbing soundbite was buried amidst the jam-packed and thoroughly entertaining chat Goyer had with Backstory Magazine as part of the latter's Comic-…