Trailers Weekly: “The Change Up”, “30 Minutes or Less”, “X-Men: First Class”, “Life in a Day”, “Attack the Block” Michael Lee, April 22, 2011 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. We have some brand new trailers to debut and…