Well-educated and affluent citizens have an advantage when it comes to participating in politics and getting their political voices heard, according to Moakley Professor of Political Science Professor Kay Lehman Schlozman, co-author of the new book  The Unheavenly Chorus: Unequal Political Voice and the Broken Promise of American Democracy (co-written with Sidney Verba and Henry E. Brady). She recently spoke to the Boston College Chronicle about her book.