Not only is Clint Eastwood a superb director, but he is a hard worker. Seriously, the guy has been going non-stop with award-winning films since 2003 and Mystic River, which, I should add, he followed-up with Million Dollar Baby, Flags of Our Fathers, Letters from Iwo Jima, Changeling, Gran Torino, Invictus and, due in 2010, Hereafter. With the exception of Hereafter, I dare you to argue that any one of those movies isn’t nothing short of stellar. You can’t. And …