The last five days on just-food have seen a Sainsbury's potato buyer arrested for accepting backhanders, UK cereal firm Dorset Cereals sold off to local peer Wellness Foods and Dave Brooks, CEO of cake maker Finsbury Food Group tell us about the company's growth plans. Elswhere, figures in the US suggest consumers are making fewer shopping trips to save money, while global consumer groups are joining forces to launch an advertising code in a bit to combat child obesity. Here are the most popular stories on just-food this week.