As relief efforts continued in the wake of Hurricane Katrina, a difference of priorities emerged between those in New Orleans and those elsewhere in Louisiana. Hurricane Katrina: Race Against Time is now streaming on Disney and Hulu. | National Geographic TV

20 years after Hurricane Katrina devastated New Orleans, retired Lt. Gen. Russel Honoré, who led the rescue mission, is warning that FEMA cuts could leave storm-prone communities vulnerable. Katrina killed 1,800 people and caused $108 billion in damage, and Honoré tells CBS News’ Maurice DuBois lessons from the disaster should not be forgotten. | CBS Evening News