For a primer on the issue of inequality itself, and why it matters, listen to this interview with Alex Voorhoeve conducted back in 2007 with Nigel Warburton.
And though some are upset with his latest hustle, i.e., extending Bush tax-cuts, the Democrats are poised to tell us explicitly that they have become the “progressive” party of the investor class. (BTW, so much for the deficit!) The critical takes on Obama’s extension of Bush tax policy are legion. But read this one from Corrente.