Shows a zoomable cloropleth map of the us counties results.
From Tony McGovern's idea, and the data he processed
Data from The Guardian
forked from john-guerra's block: 2012 US Election result by counties
https://d3js.org/d3.v4.min.js
https://d3js.org/d3-scale-chromatic.v1.min.js
https://d3js.org/topojson.v1.min.js
https://cdnjs.cloudflare.com/ajax/libs/d3-legend/2.11.0/d3-legend.min.js
https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js
https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js