Thoughts on Donella Meadows' Places to Intervene in a System Having just encountered Meadows' essay – my thanks go to Shaun Chamberlin for drawing it to my attention – I feel that it summarizes my own wanderings. Those of us sensitive to the mechanisms of complex systems – sensitive as much in the sense of susceptibility, as to an allergen, as much as in any perspicacity this might imply – begin with an instinct, honed in an