Chisholm-Mingo Struggles To SurviveMalik DouglassApril 1, 2004December 10, 2008 by Malik DouglassApril 1, 2004December 10, 2008670 One of a few large wholly African American-owned ad firms, Chisholm-Mingo Group Inc. filed for Chapter 11 bankruptcy last fall. Industry experts are now saying...