Scotland's Curriculum for Excellence: the betrayal of a whole generation?

Is the Curriculum for Excellence in Scotland working? If not, can it be changed? Lindsay Paterson explains the reasons behind the recent disquiet and writes that although it may be a plausible culprit for the decline in students' performance, the curriculum is so deeply embedded that removing it would cause enormous upheaval. And, since children get only one chance to learn, a whole generation will have been betrayed.