Last month, Northwestern University professor Jeffrey Winters joined us to discuss his book Oligarchy, an examination of how the super-rich fight to preserve and increase their wealth, particularly here in the United States. The conversation generated a lot of interest and reaction, so we’ve asked him to come back on the program and take your calls. We’ll also get other perspectives on the roots of income inequality, the increasingly global Occupy movement, and how to level the economic playing field. To join in the conversation call us at 312-923-9239.