In Collaborate or Perish! former Los Angeles police chief and New York police commissioner William Bratton and Harvard Kennedy School's Zachary Tumin lay out a field-tested playbook for collaborating across the boundaries of our networked world. Today, when everyone is connected, collaboration is the game changer. Agencies and firms, citizens and groups who can collaborate, Bratton and Tumin argue, will thrive in the networked world; those who can't...