In the space of 40 years American corporations abandoned racially exclusionary employment policies and embraced some form of affirmative action. Historian Jennifer Delton explores the reasons for this in her new book Racial Integration in Corporate America, 1940-1990. Fri, 06 Nov 2009 17:00:00 -0800 ,, Fri, 06 Nov 2009 17:00:00 -0800