Filed under: Comedy, Home Entertainment, Friday Night Double FeatureBetween Forgetting Sarah Marshall last week, and Harold & Kumar Escape from Guantanamo Bay this week, the comedy world is all aflutter with dangerous vacations, whether that danger is watching your newly ex-girlfriend snuggle up to her raunchy new pop-star boyfriend, or heading to Amsterdam to get some Maria lovin'. So this time around, I figured I would dip into vacations that go bad. We could break into the...