The courts' basic attitude has been that people in public spaces have no reasonable expectation of privacy, so taking their pictures in those spaces is permissible, says Harvard Law's Jonathan Zittrain.

FORBES: Spotting Evil

Delphi has thrown into harsh relief some of the basic conflicts in society today, inescapable trade-offs that we normally turn a blind eye to in the expectation that endless economic growth will somehow bail us all out.

ECONOMIST: Buttonwood: Which side are you on? | The