Using force with unique foci for each dot
Using force with unique foci for each dot

This gives us clustery befavior mixed with PCA for layout.

NOTE: it blows up each time new data is loaded.
  Still working on making updates smooth, like in this demo:
  http://bl.ocks.org/mbostock/1021953

pol-is/polisServer,pol-is/polisServer,pol-is/polisServer