Because crisis often leaves them no choice, entrepreneurial leaders find ways to overcome these obstacles- just as their progressive forebears did when they imposed the rationality of bureaucracy on the political machines. Some have developed quite sophisticated strategies to overcome the political and bureaucratic obstacles (a subject that will have to wait for another book). We have identified, in the box on the following pages, a few of the elements that make their success possible- including crisis, leadership, vision and trust. When enough of these elements are present, even the most politicized environment will give way. And once the dike is breached, change will come like a tidal wave. We are not so naïve as to suggest that the process is easy. But we do believe it is inevitable- just as the transition from machine rule to progressive government was inevitable.