The former governor talks about the importance of the middle class in this year's presidential election, and what he thinks Mitt Romney needs to do to improve his standings.

Liberal pundit James Carville explains why class matters in this year's presidential election in his new book, ''It's the Middle Class, Stupid!''

As part of our ongoing middle class photo project, we followed up with a listener who told us being middle class means setting a goal and getting there. Tell us what you think it means to be middle class.

Many Americans agree that the country's economy needs a stronger middle-class. But American voters seem divided on the role that unions play in providing that.