Blink, and you might miss it. A flicker of freedom broke out behind Communist China’s Iron Curtain of tyranny the other day, as a judge defied an order from Beijing to ban a song associated with pro-democracy protesters. Hong Kong’s government, now a puppet of Beijing, had sought a court order to bar the song from being played on the internet, expecting the judge to rubber stamp its demand, as would be the case on the mainland. Not so fast.