Bush Returns to Gulf Coast After 6 Mos.

LONG BEACH, Miss. - Hurricane Katrina's damage was so vast that it's hard to estimate when the recovery will be completed, the federal official overseeing the effort said Thursday.

"We all have a sense of urgency," Don Powell, President Bush's coordinator for the Gulf Coast recovery, told reporters traveling with Bush to the region.

"But I think it's important to put it in perspective about the size of the storm, and how overwhelming this storm was," Powell said. "I think there's been some good progress."

The monster hurricane in 2005 was the most destructive natural disaster in U.S. history.

Of $110 billion in relief aid that Congress has approved, $83 …