David Hoffman writes: Despite the popularity of Roger Fisher’s books and his influence as a teacher, we still have much to learn from him. From backyard squabbles to worldwide diplomacy, we are only beginning to make Fisher’s model of principled negotiation the norm.
Unlimited access to BostonGlobe.com for only 99 cents for the first 4 weeks.Sign up
Are you a home delivery subscriber?
Get FREE access as part of your print subscriptionStart Here
Contact us for help