* * * I’m feeling a little guilty. I usually host a pretty solid Oscar Party each year and have been doing so for about twenty years. By my calculations, I’ve only missed twice—two years ago when I was knee deep in a master’s degree program and the thought of organizing it was daunting. This year I’m having a few friends over for dinner. Nevertheless, that doesn’t mean I can’t share some of the ideas that have worked for me over the years, and hope you will incorporate them into your own party, even if you decide to throw one together at the last minute. There are a few things…