A lot of interesting things in this article. - The change in policing techniques, if true, is extremely encouraging to me. - I've heard the theory about lead

A lot of interesting things in this article. - The change in policing techniques, if true, is extremely encouraging to me. - I've heard the theory about lead before, but I hadn't heard these number put to it. - Crack has been talked about a lot, of course, but the article brings up an fascinating point about the shift from crack to marijuana.