In a risky reversal of marketing tactics, some of the world's best-known packaged-food companies have planted their brand names smack-dab onto organic versions of their products. Until recently, big food makers looking for a foothold in the growing organic industry have made it a point to keep their names and logos off organic offerings. Last year, when General Mills Inc., Minneapolis, introduced Cascadian Farms organic cereals, the Big G logo was conspicuously absent from the box. The rationale has been that consumers who try to avoid pesticides and additives may not trust big corporate brands. The Wall Street Journal