Well, the introduction of a flat tax rate would benefit just about everybody, if set at the right level, excluding the top richest. I think the most important part out of all that, however, is the wealth of congress. Here's also an article displaying the individual wealths of all the Presidents:
The American political system needs to be reformed as to give people from all backgrounds a greater chance of getting into the top political positions. Publicly funded elections would be a start.
As for the wealth statistics, I don't think they would be regarded as that bad if inflation wasn't so ugly, right now. It's inflation that's really hurting the bottom 80%, which is a result of a fiat monetary system... which is a result of the wealthy dominating the political system.
