Would you like to narrow a research topic regarding affirmative action in the U.S.? This Google.com directory will give you some possible places to start.
This page entitled "The Ethics of Affirmative Action" from the Markkula Center for Applied Ethics contains some biographical information about Steele, and will give you some ideas for narrowing a research topic.
Read this detailed review of the Emmy-winning documentary film Seven Days in Bensonhurst, which Steele wrote and narrated. If time and energy permit, find the film and compare its themes to the themes addressed in "White Guilt."