Summary: Evacuations continue and more than 2,000 FEMA personnel are deployed as the gulf coast braces for Hurricane Ida, a category 4 storm -- on the anniversary of Hurricane Katrina, the most devastating storm in America's history. NewsHour Correspondent Roby Chavez joins from New Orleans, Louisiana, which is expected to be one of the hardest hit cities. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
