STRASBOURG — Stop blaming Brussels bureaucrats for your own red tape. That was the European Commission’s message to national governments Tuesday as it unveiled plans for an overhaul of its rules governing ... rule-making.  When EU countries add on extra requirements to the bloc's rules, it "creates barriers, raises costs and fragments the single market," said Valdis Dombrovskis, the European commissioner in charge of economic matters. He was presenting the Commission’s plans to streamline its