Dan Chazan and Lawrence Clark from the University of Maryland discuss the Special Issue in Teachers College Record (Vol. 115, No. 2) focused on African American mathematics teachers in urban contexts. Particular attention is given to Lawrence's article, "African American mathematics teachers as agents in their African American students' mathematics identity formation." (Co-authors: Badertscher, Napp) link to special issue, link to article
Dan's Professional Website
Lawrence's Professional Website
Case Studies Project Website
Whitney Johnson's episode from the same special issue
See the comments for references mentioned in the interview.