Featured Graphic. A Nation Dividing? Changing Within-State,Between-County Segregation for US Presidential Elections 2000–12

Leckie G Pillinger R Jones K Goldstein H , 2012, “Multilevel modelling of social segregation” Journal of Educational and Behavioral Statistics 37(1) 3–30

Politico, 2012 Presidential Election Results http://www.politico.com/2012-election/map/#/President/2012/