It's important that you know right up front that I did not come here today to say Die Hard with a Vengeance is a better movie than Die Hard, although the two John McClane (Bruce Willis) adventures are closer in quality than you might remember. Alas, there aren't many movies, period, that are better than Die Hard. Not many things, overall, in the world, including the hypothetical birth of my first child. I'm also not gonna' say that Jeremy Irons' performance as Simon Gruber is "better" than Alan Rickman's performance as Hans Gruber. Comparing a Rickman …