In the weeks following Hurricane Katrina, President Bush acknowledged that the disaster laid bare the persistent racial inequalities in America, but Bush strongly rejected the idea that the federal government's response to Katrina was somehow racist. Social critic Michael Eric Dyson was not convinced. Michael Eric Dyson: Professor of humanities at the University of Pennsylvania, in the keynote address of The Blake School's annual Diversity Symposium on May 3 in Minneapolis. Dyson's latest book is "Come Hell or High Water: Hurricane Katrina and the Color of Disaster."