Von China lernen?

A decade’s worth of music file-sharing and swiping has made clear that the people it hurts are the creators — in this case, the young, fledgling songwriters who can’t live off ticket and T-shirt sales like the least sympathetic among us — and the people this reverse Robin Hooding benefits are rich service providers, whose swollen profits perfectly mirror the lost receipts of the music business. We’re the post office, they tell us; who knows what’s in the brown-paper packages? But we know from America’s noble effort to stop child pornography, not to mention China’s ignoble effort to suppress online dissent, that it’s perfectly possible to track content. Perhaps movie moguls will succeed where musicians and their moguls have failed so far, and rally America to defend the most creative economy in …