Best and Worst Places to Raise Children (Heatmap of Income Mobility)

http://www.nytimes.com/interactive/2015/05/03/upshot/the-best-and-worst-places-to-grow-up-how-your-area-compares.html?WT.mc_id=2015-KWP-AUD_DEV&WT.mc_ev=click&ad-keywords=AUDDEVREMARK&kwp_0=18175&kwp_4=132240&kwp_1=156631&_r=0