The Congressional Budget Office confirms that the top 1% has tripled its income since 1979, while the upper middle class has increased its wealth much more modestly, and the rest of the country has seen only a small gain. (Juan Cole)

This is striking.  The numbers and the graphs can be mind numbing sometimes, but this image is likely to stick.

(Unsure about proper attribution of the image, the image is hosted on Tumblr but not linked to a particular blog.)