Here are a few useful links to help you with general media A2 Issues and Debates, as well as specific topics you may choose for your MEST 4 Critical Investigation
Remember to quote or attribute your source in MEST 4 e.g. "In an article in the Guardian from 8th September 2014, the film critic Peter Bradshaw states: "
Post 911 US Film: http://www.theguardian.com/film/filmblog/2011/sep/08/9-11-films-hollywood-handle
BBFC (not the BBC) case studies: Decisions on film ratings (U 12A 15 etc) http://www.bbfc.co.uk/case-studies
general theory: http://www.slideshare.net/MissOzzy/theory-theorists
http://www.slideshare.net/jonmeier/a2-media-theory-part-1
http://www.slideshare.net/jonmeier/a2-media-theory-part-2