A new front on bio-crops

California will consider a law allowing organic farmers and others to sue if a neighbor's genetically-modified crops damage their harvest. Genes, often inserted into crops to boost disease or chemical resistance, have leaped from field to field, leaving farmers that want am all-natural crop vulnerable to the whims of their neighbors and the wind. And even if studies haven't found any health problems with genetically-modified crops, consumers who want to avoid them run into trouble perusing labels of conventional foods. Organic products can't contain engineered ingredients.