Innovation provides five in-depth studies on the 'state' of innovation in government today. Jonathan Walters analyzes what he has learned from studying winners of the Ford Foundation/Kennedy School Innovations in Government awards program. Sandford Borins examines the five building blocks of innovation. Janet Vinzant Denhardt and Robert Denhardt tell us how Phoenix created a culture of innovation within city government. William Eimicke studied San Diego County, California to find out how innovative programs can be implemented in a large county government. Scott Tarry presents five case studies of metropolitan airport authorities and how they attempted to foster innovation. From these case studies, Mark A. Abramson and Ian D. Littman discuss what we know about innovation and what we have learned about fostering, implementing, and replicating it. They also discuss the relationship between the innovator and innovation.