Room for debate is from the New York Times. New topics Monday through Thursday, debated by “knowledgable outside contributors.”
The most recent topic: PG-13 Blockbusters and the Sugarcoating of Violence
Is it dangerous to depict violence without its gory consequences?
Read the background and 4 different opinions and see who you would side with. Although I think that the Comments section on many (most?) websites are just troll-ville, most of the comments on this Room for Debate section are pretty useful and will give you more to think about.