ort(function(a,b){
								return d3.descending(a.values["lang_usage"],b.values["lang_usage"]);
							})
			
			


			console.log("NESTED DATA",nested_data)
			var WIDTH=800,
				HEIGHT=400;

			var margins={
				left:20,
				right:20,
				top:30,
				bottom:20
			};

			var padding={
				left:100,
				right:50,
				top:10,
				bottom:0
			};

			var svg=d3.select(options.container)
						.append("svg")
						.attr("width",WIDTH)
						.attr("height",HEIGHT);

			var xscale=d3.scale.ordinal().domain(option