Trailers Weekly: “Paul”, “Cars 2”, “Scream 4”, “Unknown”, and “Rabbit Hole” Michael Lee, October 23, 2010 Trailers Weekly is a feature in which we bring you the most popular and talked about trailers of the week. Sharing trailers is a classic viral practice, and trailers are still the most mainstream way for people to learn about movies. This week we an alien comedy teaser in Paul,…