Two Bad

We all know that The Joker (played by the late Heath Ledger) is the big bad in the Batman sequel, The Dark Knight, due out in theaters this summer ... but we cannot forget that Harvey Dent (played by Aaron Eckhart), Gotham City District Attorney and all-around best bud to Bruce Wayne, is also heavily featured in the upcoming film -- and at some point in the future, Harvey Dent becomes the