Consider this the next time you wonder how far government officials will go to protect you: former FDA Commissioner David Kessler used to dumpster dive for nutritional data that chain restaurants were unwilling to hand over. Kessler, who rummaged through rubbish in slacks and padded gardening gloves, was looking for the ingredient labels that suppliers are required to print on all inter-state food shipments. Kessler’s findings were both dirty and disturbing…