Enter at your own risk, New Orleans. That was the message from Mayor Ray Nagin, who gave residents the go-ahead to return to the Crescent City early Thursday, but with several warnings — many homes were without electricity or working toilets and a dusk-to-dawn curfew would still be in effect. Full story

Gustav, a dangerous Category 4 hurricane a few days ago, hit shore as a Category 2 storm, one step below Katrina's strength when it made landfall.