Stacked chart can be useful for showing parts of a whole, such as how opinions that are both happy and sad. They can also obscure details of single series. In this case I think it would be beneficial to make the histogram on the dashboard a stacked chart. Opinions? : http://flowingdata.com/wp-content/uploads/2008/12/23-545x370.png
Adding block on 780626 because this is part of the phase 0 rewrite.
This is a nice-to-have, but shouldn't block phase 0.
Bug 1080816 covers ditching the chart altogether. If we do that, then we can WONTFIX this bug.
Closing this out since we ditched the dashboard graph.