“…In fact, political incentives drive policymakers toward new, distinct efforts that call attention to the sponsor instead of toward policies that build on previous efforts. 6 Old policies are seldom eliminated, so even a set of new policies that are "coherent" within themselves are likely to clash with existing policies that remain on the books. In terms of operations, as most of the chapters in this volume make clear, states are entering into new accountability relationships with schools, and both they and districts are being called upon to help schools-through professional development, assistance in data interpretation, and other efforts-build the capacity necessary to meet the new requirements.…”