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Rudd circles, Gillard stumbles "Rudd is campaigning. Rudd is talking to journalists about the leadership despite his astonishing denial. I know the names of some of those he has spoken to. I know where he said it - in his office - and I know what he said. He told them a challenge would happen." (Barrie Cassidy)
Why not frack? "It works like this: having drilled a hole perhaps a mile deep, and then a horizontal branch perhaps half a mile in length, you send down a kind of subterranean pipe bomb, a small package of ball-bearing-like shrapnel and light explosives. The package is detonated." (Bill McKibben)
Big charity "Such a simple question: should Oxfam spend a couple of hundred pounds a month opening up the swimming pool at its guesthouse in one of the nicer parts of Nairobi? It was posed by Duncan Green, the group's head of research, on his blog, and provoked a revealing bout of navel-gazing in the aid industry."
How companies learn your secrets "Using data to predict a woman's pregnancy, Target realized, could be a public-relations disaster. So the question became: how could they get their advertisements into expectant mothers' hands without making it appear they were spying on them?"