Why can't any recent Sherlock Holmes adaptation get Irene Adler right?

Irene Adler only appeared in one of Arthur Conan Doyle's Sherlock Holmes stories, but she's considered a pivotal figure in the Holmes canon, nonetheless. And we've seen several of the latest Sherlock Holmes interpretations debut their own versions of Irene Adler in recent years. On the plus side, these 21st Century… » 1/04/13 12:35pm 1/04/13 12:35pm