http://www.slate.com/articles/news_and_politics/politics/2015/08/hurricane_katrina_10th_anniversary_how_the_black_lives_matter_movement_was.html

On the fifth anniversary of Hurricane Katrina, in 2010, New Orleans Mayor Mitch Landrieu preached unity. “With the rising water, differences and divisions were washed away,” he said, asking the audience to listen to each other, and embrace their common aspirations. “We will hear and we will learn the beautiful truth that Katrina taught us all,” he declared, “We are all the same.”