Although this blog is mostly a way to help me remember what I've read, you might enjoy the material too.
Saturday, June 4, 2016
PEAK POPULATION OVER TIME
The places in America that already have their best days behind them http://www.washingtonpost.com/blogs/wonkblog/wp/2016/06/01/when-every-place-in-the-u-s-hit-its-peak/