The Panama Papers—the massive collection of leaked documents from Mossack Fonseca, a Panamanian law firm that helps set up offshore shell corporations—have already had political consequences. Iceland’s prime minister, Sigmundur David Gunnlaugsson, resigned after the leak revealed that he had partly owned an offshore firm. David Cameron, the British prime minister, is facing criticism over ...

Andrew Gelman has a post on the benefits of negative criticism, where he talks about the careful methodological demolitions he has done of others’ research that he has found to be slipshod. if you want to go against the grain you have to work harder to convince people. My point is that this is the ...