As Hillary Clinton and Barack Obama make their appeals to lower-income voters in Ohio and Texas, expert on media and politics Kathleen Hall Jamieson analyzes the messages on the campaign trail in the lead up to Tuesday's potentially decisive primaries. Also on the program, historian Nell Irvin Painter examines what history reveals about the current state of inequality in America. Painter looks at today's economic disparity as a new "Gilded Age" that threatens democracy.