A concrete floodwall separates the Industrial Canal of New Orleans from the Lower 9th Ward neighborhood, Tuesday, Sept. 2, 2008. The failure of levees along the canal inundated the Lower 9th Ward with deep floodwaters after Hurricane Katrina in 2005. (Travis Heying/Wichita Eagle/MCT)
A concrete floodwall separates the Industrial Canal of New Orleans from the Lower 9th Ward neighborhood, Tuesday, Sept. 2, 2008. The failure of levees along the canal inundated the Lower 9th Ward with deep floodwaters after Hurricane Katrina in 2005. (Travis Heying/Wichita Eagle/MCT) MCT
A concrete floodwall separates the Industrial Canal of New Orleans from the Lower 9th Ward neighborhood, Tuesday, Sept. 2, 2008. The failure of levees along the canal inundated the Lower 9th Ward with deep floodwaters after Hurricane Katrina in 2005. (Travis Heying/Wichita Eagle/MCT) MCT

Commentary: On Katrina's fourth anniversary, levee repairs must be a priority

August 29, 2009 6:00 AM