For those searching for a TL;DR of the article, here is a much shorter blog post by the same author talking about the different kinds of evidence supporting the

For those searching for a TL;DR of the article, here is a much shorter blog post by the same author talking about the different kinds of evidence supporting the thesis: http://www.motherjones.com/kevin-drum/2013/01/lead-and-crime-assessing-evidence http://www.motherjones.com/kevin-drum/2013/01/lead-and-crime... One quote: > There are now multiple rigorous studies using different methodologies that demonstrate this correlation at the city level, the state level, the national level, and in different countries at different times.