think much more about the training and the opportunities to learn that we provide teachers. in no other sector do we ask people to improve and do complex work and then not provide close training on specific aspects of the work so they can do the work better. are you worried we re going to get to common core later in our discussion. are you worried that common core is going to come along and just be placed on the laps of teachers with a hardy good luck and a handshake? my point is if we want to have these more advanced and ambitious goals for school then we shouldn t be thinking that the other piece that we need to do is simply classify teachers fire some find others. teaching is very complicated work. trying to do something like help a fifth-grader learn to build and critique a mathematical argument or a high school student to compare romeo & juliet with their eyes were watching god. those aren t easy things. and we haven t provided the kind of careful training on the specifi