By Christopher Rugaber and Anne D’InnocenzioThe Associated PressWASHINGTON — Americans increased their spending at retail stores and restaurants in July for a third straight month, but some evidence suggests that sales are weakening with the expiration of government rescue aid that had previously put more money in people’s pockets. Friday’s report from the Commerce Department showed that retail purchases rose by a seasonally adjusted 1.2% last month.Read more on NewsOK.com