I vaguely recall watching "I Love Lucy" - or perhaps I just recall that memorable theme tune, but I have to say I knew nothing at all about the "Desilu" couple before watching this. As ever, it has Sorkin's trademark dialogue - quickly paced, pithy at times; but somehow the performances just didn't catch fire. Kidman is a very versatile actress, she can turn her hand to just abut anything - but for this to have worked better, she would have needed a more convincing foil. Javier Bardem just isn't him. Their lively relationship is suggested rather than demonstrated and much of what made them…