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I ’ ve found every place I ’ ve lived to be , essentially , pastoral . Moreover , evolution is by no means a complete theory . Yet , centralization might also be compatible with delegation of decisions to lower-level units , particularly where the “ principals ” who delegate such discretion maintain some measure of control over the “ agents ” to whom discretion is delegated . UIEvolution ’ s UIEngine technology and development environment supports rapid development and deployment of ground up , custom graphical user interfaces for portable audio devices based on the austriamicrosystems AS3525 and AS3527 chips . Rather , r we focus here on the implications of the Cincinnati experience with respect to the trade-offs and tensions inherent in expanding autonomy in a tighter accountability framework within the context of standards-based reform .