In this photo taken Aug. 29, 2010, President Barack Obama, first lady Michelle Obama, then-Housing and Urban Development Secretary Shaun Donovan, left, and New Orleans Mayor Mitch Landrieu, right, tour Columbia Parc Development in New Orleans on the fifth anniversary of Hurricane Katrina. President Barack Obama will visit New Orleans next week to mark the approaching 10th anniversary of Hurricane Katrina. (AP Photo/Carolyn Kaster)