a big round of applause or lauren alexander augustine, zach rosenberg, and rikf -- rolf -- after the session with gwen eiffel, i hear there is a big discussion coming -- gwen ifil, i hear there is a big discussion coming. ♪ announcer: and president obama is in new orleans this afternoon as he attends the 10th anniversary of hurricane katrina. later today, the president will deliver remarks at a new community center opened in the ninth ward, the community that was hardest hit during the storm. the president will talk about policy change as climate continues to bring in -- climate change continues to bring in larger storms. tomorrow, we will talk to former new orleans mayor mark morreale, the editor of "the new orleans times picayune," and then on saturday, we will have actual video of the hurricane aftermath and the actual recovery over the past 10 years. we will also open the phone lines to get your reaction. late saturday afternoon, new orleans will hold a commemoration holding the 10th anniversary solar -- a 10th anniversary event. again, this gets underway saturday afternoon at 6: