Warren Beatty is a cinematic icon, known for classics like "Bonnie and Clyde" and "Heaven Can Wait." Diane Keaton has similarly achieved icon status, having starred alongside Beatty in "Reds," as well as in classics such as "Annie Hall" and "The Godfather," among others. So, putting them together in a rom-com in the early 2000s seemed like a good idea. The problem? Well, just about everything other than the on-screen talent involved.