In Breaking Away from Broken Windows Ralph Taylor uses data on recent Baltimore crime-reduction efforts to attack the 'broken windows' thesis--that is, the currently fashionable notion that by reducing or eliminating superficial signs of disorder (dilapidated buildings, graffiti, incivil behavior by teenagers, etc.), urban police deparments can make significant and lasting reductions in crime. Taylor argues that such measures, while useful, are only a partial solution to the problem at hand. His data supports a materialist view: changes in levels of physical decay, superficial social...