Also from the same article: > In city after city, violent crime peaked in the early ’90s and then began a steady and spectacular decline. Washington, DC, didn’

Also from the same article: > In city after city, violent crime peaked in the early ’90s and then began a steady and spectacular decline. Washington, DC, didn’t have either Giuliani or Bratton, but its violent crime rate has dropped 58 percent since its peak. Dallas’ has fallen 70 percent. Newark: 74 percent. Los Angeles: 78 percent. > > There must be more going on here than just a change in policing tactics in one city. But what? The point is that correlation is not causation. Assuming that abortion led to a decrease in crime is an assumption. So is assuming that removing lead from the environment led to a decrease in crime. So is assuming that one politician’s methods led to a decrease in crime. In fact, that is probably the least likely, given the fact that it happened everywhere.