Ratings schemes are already in place, and in some countries restrictions on the sale of adult-rated games to minors have the force of law.

ECONOMIST: Video games

Just this morning I turned on my car in the driveway (the car I lent to a 17-year-old African-born youth last night so he could drive with other African-born youths to a Korean take-out chicken place called Mo Betta Wings) and an X-rated hip-hop song blasted with such explosive force from the radio that, for a second, I thought I'd been in an accident.

CNN: I see America's diverse future--in my house

Ms Gilbert told the committee that she expected a drop in the number of schools rated good or satisfactory when the new inspection system came into force in 2009.

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