65. An emerging body of research shows thatpositive health habits-as well as negative ones -spread through networks of friends via socialcommunication.
66. Far less certain, however, is how successfully experts and bureaucrats can select our peergroups and steer their activities in virtuous directions.
67. It's like the teacher who breaks up the troublemakers in the back row by pairing them with better-behaved classmates.
68. The company, a major energy supplier in New England, provoked justified outrage in Vermont last week when it announced it was reneging on a longstanding commitment to abide by the state's strict nuclear regulations.