New Orleans marks 20 years since Hurricane Katrina on Friday with a solemn look back at the storm that forever changed it and a fresh accounting of the complicated legacy that the floodwaters left behind, from the heroic efforts to rebuild to the stark inequities that the disaster laid bare.

It will be a more muted commemoration than in years past, with the city and surrounding region having in many ways grown weary with discussion of the catastrophe that began with landfall near Buras at around 6:10 am on Aug. 29, 2005. Lives moved on long ago, and college students today have no memory of the storm.

But the date will again provide an opportunity to reflect upon what has and has not happened since the hurricane and the largely manmade destruction that accompanied it. Its place in the

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