Accounting for Nuts:  Blame a misalignment of incentives for the scandal at Diamond Foods.    The Wall Street Journal’s Holman Jenkins opines:  “Business people talk about “alignment of incentives.” The lesson here may concern a peculiar misalignment of incentives.”  He explains: Here’s the executive summary: Diamond was a cooperative owned by California walnut growers until it became a publicly traded company owned by shareholders in 2005. Lately reporters and a shortseller-connected analyst have been poking around a $60 million payment the company made to growers in September 2011, which some growers apparently understood to be a “topping up” payment because…