Professor of Political Science John Schwarz of the University of Arizona has just co-written a new book called "The Forgotten Americans: Thirty Million Working Poor in the Land of Opportunity." The authors challenge conventional wisdom: they found that the working poor are neither uneducated nor unskilled, that they encompass all age, ethnic, and racial groups in the U.S.; and that the situation can't necessarily be blamed on declines in domestic manufacturing or decreases in industrial productivity.