Paul Berkowitz and Kris Millegan (TrineDay Publishing) discuss Paul’s book — Legacy of the Yosemite Mafia — the problems caused by emphasizing a “Ranger image” that intentionally steered away from the dominant role of rangers in the past — law enforcement — and they discuss the “turf wars” among a small minority at the top of the National Park Service that allowed misconduct to fester at various places in the agency.