Professor Donald Tibbs Presents at University of Iowa College of Law Symposium March 07, 2011 Professor Donald Tibbs presented "From Black Power to Hip Hop: Discussing Anti-Blackness and the Fourth Amendment Through the 'War On' Paradigm" at the University of Iowa College of Law on March 3-4. The presentation was part of The Journal of Gender, Race, and Justice symposium "War On: The Fallout of Declaring War on Social Issues."