Festivus turns 40 this year. The holiday was invented by the father of Daniel O’Keefe, a future Seinfeld writer. Many find it to be a simple family celebration, free of marketing corruption of Christmas. Traditions include the aluminum pole, the airing of grievances, and feats of strength. Meat loaf or spaghetti in a red sauce is traditional, but the writer Allen Salkin recommends a hearty beer, rum, bourbon, or wine. Now, I've got some problems with you people...