Food Chain (Supermarkets) (PE807) Our next petition is PE807, by James Mackie, which calls on the Scottish Parliament to urge the Scottish Executive to conduct an inquiry into the influence of supermarkets on the food chain and to examine in particular safety issues arising from the use of chemicals to extend the shelf-life of products and from central purchasing and distribution, and the impact of supermarket trading on local economies and small producers. At its meeting on 26...