U.S. 's exploding economic inequality threatens middle class , says Obama . A lack of job quality contributes to growing inequality , he says . Census says that 1 % of America adults work in jobs that pay poverty wages . Until we focus on job quality , we can not expect any significant progress , he says .
America 's exploding economic inequality threatens middle class , says Paul Osterman . A lack of job quality contributes to growing inequality , he says . Osterman says that 20 % of U.S. adults work in jobs that pay poverty wages . Until we focus on job quality , we can not expect any significant progress , he says .