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A military helicopter hovers over Interstate-10 in the flooded city of New Orleans on Tuesday, Aug. 30, 2005 as city residents walk along the raised roadway. Many residents spent the night on the roadway after floodwaters forced them from their homes. The water continues to rise in the wake of Hurricane Katrina which pounded the coast on Monday. (AP Photo/Dave Martin) ( HURRICANE KATRINA EVACUATION )

Interstate-10 westbound out of New Orleans continues to be jammed with traffic as residents evacuate ahead of Hurricane Katrina on Sunday, Aug. 28, 2005. The Category 5 storm is expected to make landfall on Monday. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Vehicles leave New Orleans ahead of Hurricane Katrina on Sunday, Aug. 28, 2005. The Category 5 storm is expected to make landfall on Monday. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

A Louisiana National Guardsmen watches residents as they gather outside the Louisiana Superdome in New Orleans on Sunday, Aug. 28, 2005. The Superdome opened Sunday to residents to New Orleans who are seeking shelter from Hurricane Katrina which is expected to make landfall on Monday. (AP Photo/Dave Martin) ( TROPICAL WEATHER )

A New Orleans resident carries his cat on his shoulder as he walks in the rain past Jackson Square in the French Quarter on Sunday, Aug. 28, 2005. A mandatory evacuation has left the city nearly empty as Hurricane Katrina bears down. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Vehicles leave New Orleans Sunday morning, Aug. 28, 2005, as Hurricane Katrina approaches. The Louisiana Superdome is shown in the background. Katrina strengthened to a dangerous Category 5 storm on Sunday with 160 mph sustained wind as residents of south Louisiana jammed freeways in a rush to get out of the low-lying region and head inland to higher ground. (AP Photo/Cheryl Gerber) ( HURRICANE KATRINA )

New Orleans residents walk through floodwaters that besiege the Crescent City on Tuesday, Aug. 30, 2005. Hurricane Katrina devastated the Louisiana and Mississippi coasts when it came ashore on Monday. (AP Photo/Bill Haber) ( HURRICANE KATRINA EVACUATION )

A New Orleans resident tries to drive his car through floodwaters past the University of New Orleans on Tuesday. Aug. 30, 2005. Water continues to rise in the Crescent City after Hurricane Katrina devastated Louisiana and Mississippi. (AP Photo/Bill Haber) ( HURRICANE KATRINA EVACUATION )

Residents walk through floodwaters in New Orleans, Tuesday, Aug. 30, 2005, after Hurricane Katrina devastated the Louisiana and Mississippi coasts when it came ashore on Monday. (AP Photo/Bill Haber) ( HURRICANE KATRINA EVACUATION )

A woman walks through chest-deep water as she heads to loot a grocery store in New Orleans, Tuesday, Aug. 30, 2005, as floodwaters continue to rise after Hurricane Katrina made landfall on Monday. (AP Photo/Dave Martin) ( Hurricane Katrina )

Residents file into the Louisiana Superdome in New Orleans on Sunday, Aug. 28, 2005. The Superdome opened Sunday to residents to New Orleans who are seeking shelter from Hurricane Katrina which is expected to make landfall on Monday. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

Floodwaters surround a car in uptown New Orleans early Monday, Aug. 29, 2005 as high winds and rain batter the Louisiana coast as Hurricane Katrina makes landfall. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Rescue personnel search from victims as they traverse the New Orleans 8th Ward in the flooded city of New Orleans on Tuesday, Aug. 30, 2005. Water continues to rise after the onslaught of Hurricane Katrina which pounded the coast on Monday. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

Elvin Duckworth, left, Jonathan Harvey, center, and Leonard Harvey paddle a row boat through a flooded street in their Gulfport, Miss, neighborhood after Hurricane Katrina struck the Gulf Coast Monday, Aug. 29, 2005. (AP Photo/John Bazemore) ( HURRICANE KATRINA AFTERMATH )

A person is arrested after allegedly looting a grocery store during Hurricane Katrina in New Orleans, Monday, Aug. 29, 2005. (AP Photo/Dallas Morning News, Michael Ainsworth) ( HURRICANE KATRINA )

New Orleans firefighters wade through flood waters after searching the area for people in need of help after Hurricane Katrina hit New Orleans Monday, Aug. 29, 2005. (AP Photo/Dallas Morning News, Michael Ainsworth) ( HURRICANE KATRINA )

Rescue personnel check for stranded people after Hurricane Katrina's storm surge put most of Bayou La Batre, Ala., under water Monday, Aug. 29, 2005. (AP Photo/The Birmingham News, Hal Yeager). ( HURRICANE KATRINA )

A tattered American flag flies in front of the blown out Hyatt Hotel in New Orleans after Hurricane Katrina devastated the area on Monday, Aug. 29, 2005. (AP Photo/Bill Haber) ( TOPIX HURRICANE KATRINA )

Fire rescue personnel launch a boat to rescue a family in front of a flooded hotel flooded off Interstate 10 in Pascagoula, Miss., as Hurricane Katrina batters the area. (AP Photo/Tampa Tribune, Michael Spooneybarger) ( HURRICANE KATRINA AFTERMATH )

High winds and rain pound the Louisiana Superdome and New Orleans as Hurricane Katrina makes landfall along the Louisiana coast on Monday, Aug. 29, 2005. Officials report that part of the roof of the Superdome was blown off because of the storm and the facility, which is housing some 10,000 evacuees, is leaking. (AP Photo/Dave Martin) ( HURRICANE KATRINA SUPERDOME )

Firefighters rescue a woman from her 9th Ward home after Hurricane Katrina passed through New Orleans, Monday, Aug. 29, 2005. (AP Photo/Dallas Morning News, Michael Ainsworth) ( HURRICANE KATRINA )

Police rescue Forenda Moore, center, from her home in the 9th ward after Hurricane Katrina passed through New Orleans Monday, Aug. 29, 2005. (AP Photo/Dallas Morning News, Michael Ainsworth) ( HURRICANE KATRINA )

This photo provided by the U.S. Coast Guard shows flooded roadways as the Coast Guard conducted initial Hurricane Katrina damage assessment overflights of New Orleans, Monday Aug. 29, 2005. (AP Photo/U.S. Coast Guard, Petty Officer 2nd Class Kyle Niemi) ( HURRICANE KATRINA )

An Interstate-10 sign is nearly underwater near downtown New Orleans on Monday, Aug. 29, 2005. Hurricane Katrina battered the coast with strong winds and heavy rains when it came ashore near Grand Isle. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

** ADVANCE FOR MONDAY AUG. 21 ** FILE **Jonathan Harvey wades through flood waters after rescuing his dog "Cuddles" from his flooded home after Hurricane Katrina struck the Gulf Coast Monday, Aug. 29, 2005 in Gulfport, Miss.. Everyone remembers the pets lost in New Orleans during Hurricane Katrina. Or worse, the pet owners who chose to stay in harm's way rather than leave their animals. Maryland and other states are taking a new look at what they'd do with pets and livestock in case of disaster. (AP Photo/John Bazemore) ( MD ANIMAL DISASTER PLAN )

Arnold James carries a small bag of belongings through floodwaters as he tries to make his way on foot to the Louisiana Superdome in New Orleans, Monday, Aug. 29, 2005, after the roof on James's home blew off, forcing him to seek shelter at the Superdome. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

A vehicle makes its way through a flooded street from the overflowing Grande Lagoon in Pensacola, Fla., as Hurricane Katrina passes through the area, Monday, Aug. 29, 2005. (AP Photo/Peter Cosgrove) ( TOPIX HURRICANE KATRINA )

** FILE ** Bryan Vernon and Dorothy Bell are rescued from their rooftop after Hurricane Katrina hit, causing flooding in their New Orleans neighborhood, in this Aug. 29, 2005 file photo. (AP Photo/Eric Gay) ** zu unserem Korr. USA/Katrina/Jahrestag ** ( USA Katrina Jahrestag )

Floodwaters surround a car in downtown New Orleans early Monday, Aug. 29, 2005 as high winds and rain batter the Louisiana coast as Hurricane Katrina makes landfall. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

Hurricane Katrina pounds New Orleans early Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Arnold James tries to keep his feet as a strong gust nearly blows him over as he tries to make his way on foot to the Louisiana Superdome in New Orleans on Monday, Aug. 29, 2005. The roof on James's home blew off, forcing him to seek shelter at the Superdome. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

Cars sit idle on flooded streets in downtown New Orleans after Hurricane Katrina came ashore on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

The entire North side of the Hyatt Hotel in New Orleans was blown when Hurricane Katrina devastated the area on Monday, Aug. 29, 2005. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

Bryan Vernon and Dorothy Bell take refuge on their roof top as Hurricane Katrina hits, causing flooding in their New Orleans neighborhood, Monday Morning, Aug. 29, 2005. Officials called for a mandatory evacuation of the city, but many resident remained in the city. (AP Photo/Eric Gay) ( TOPIX HURRICANE KATRINA )

New Orleans residents walk through chest deep floodwater after Hurricane Katrina made landfall on the Louisiana coast on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

New Orleans residents Sharon Parker, left, helps her niece Kristan Parker, center, and her sister Kristan's mother Wanda Parker use a small boat to negotiate floodwaters near their home after Hurricane Katrina made landfall, dumping torrential rain and bringing 140mph winds with it. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

A New Orleans resident begins the process of cleaning up Bourbon Street in the French Quarter of New Orleans on Monday, Aug. 29, 2005. Hurricane Katrina pounded the city with 140 mph winds after in made landfall. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

Rescuers use an old row boat to evacuate children and an elderly woman from their flooded homes in Gulfport, Miss., after Hurricane Katrina struck the Gulf Coast Monday, Aug. 29, 2005. (AP Photo/John Bazemore) ( HURRICANE KATRINA EVACUATION )

James Smith wades past a storm damaged building after Hurricane Katrina struck the Gulf Coast Monday, Aug. 29, 2005 in Gulfport, Miss.. (AP Photo/John Bazemore) ( HURRICANE KATRINA AFTERMATH )

Shante Gruld carries Janeka Garner, 5, to safety after they were rescued from their flooded home by boat in New Orleans, Monday Morning, Aug. 29, 2005. The area was flooded after Hurricane Katrina hit the area. Officials had called for a mandatory evacuation of the city, but many resident remained in the city. (AP Photo/Eric Gay) ( HURRICANE KATRINA )

Flooding takes place after Hurricane Katrina hit New Orleans, Monday Morning, Aug. 29, 2005. Following the storm Louisiana officials said people in some swamped neighborhood were feared dead, but gave no immediate numbers. (AP Photo/Eric Gay) ( TOPIX HURRICANE KATRINA )

Some of the thousands of displaced residents take cover from Hurricane Katrina at the Superdome, a last-resort shelter, in New Orleans about midnight, Sunday, Aug. 28, 2005. Officials called for a mandatory evacuation of the city, but many residents remained in the city. (AP Photo/Eric Gay) ( TOPIX HURRICANE KATRINA )

Tyler Dahlgren walks through the rain from Hurricane Katrina to check on his boat Monday Aug. 29, 2005 in Orange Beach, Ala. (AP Photo/Rob Carr) ( HURRICANE KATRINA )

One of three dolphins evacuated from an ocean-front marine park plays in a hotel pool in Gulfport, Miss., after Hurricane Katrina struck the Gulf Coast Monday, Aug. 29, 2005 in Gulfport, Miss. (AP Photo/John Bazemore) ( HURRICANE KATRINA DOLPHIN RESCUE )

The Mound Underpass on Interstate-10 is flooded near downtown New Orleans on Monday, Aug. 29, 2005, as Hurricane Katrina dumped torrential rain and battered the city when it made landfall near Grand Isle. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

Blair Quintana, right, and Patrick Lampano seek shelter in a doorway in the French Quarter of New Orleans as Hurricane Katrina pounds the Crescent City on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

Debris from a fallen building covers several buildings in downtown New Orleans after Hurricane Katrina battered the Louisiana Coast on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Debris from a fallen building covers several buildings in downtown New Orleans after Hurricane Katrina battered the Louisiana Coast on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

Fred Wright picks up debris at his house as his wife Carol watches the waves from Mobile Bay break into their backyard Monday Aug. 29, 2005 in Fairhope, Ala. (AP Photo/Rob Carr) ( HURRICANE KATRINA )

Waves crash against a boat washed onto Highway 90 as Hurricane Katrina hits the Gulf Coast Monday, Aug. 29, 2005 in Gulfport, Miss. (AP Photo/John Bazemore) ( TOPIX HURRICANE KATRINA )

Hurricane winds shred an American flag in downtown New Orleans, Louisiana as Hurricane Katrina passes over the Crescent City on Monday, Aug. 29, 2005. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

Eric Leath, left, and Max Haines walk through the flooded streets of Point Clear, Ala., Monday Aug. 29, 2005. Haines, the assistant harbor master at the Marriott Grand Hotel, was checking on boats in the harbor. (AP Photo/Rob Carr) ( HURRICANE KATRINA )

Tyrell Willis fights his way through about 70 knot winds as he tries to make his way to the Louisiana Superdome in New Orleans as Hurricane Katrina batters the Crescent City on Sunday, Aug. 29, 2005. Willis's home was damaged by the storm, forcing him to walk to the Superdome where officials are providing shelter from the hurricane. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Heavy floodwaters block many of the roadways in and around New Orleans as Hurricane Katrina pounds the area on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Two people walk down a flooded street as Hurricane Katrina hits, causing flooding in their New Orleans neighborhood, Monday Morning, Aug. 29, 2005. Officials called for a mandatory evacuation of the city, but many resident remained in the city. (AP Photo/Eric Gay) ( TOPIX HURRICANE KATRINA )

New Orleans residents walk through chest deep floodwater after Hurricane Katrina made landfall on the Louisiana coast on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Elbert Curtis of New Orleans walks through floodwaters that surround his home in New Orleans on Monday, Aug. 29, 2005. Hurricane Katrina dumped torrential rain and did extensive damage to Louisiana and Mississippi. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

Tyrell Willis fights his way through strong winds as he tries to make his way to the Louisiana Superdome in New Orleans as Hurricane Katrina batters the Crescent City on Monday, Aug. 29, 2005. Willis's home was damaged by the storm, forcing him to walk to the Superdome where officials are providing shelter from the hurricane. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

Elbert Curtis of New Orleans walks through floodwaters that surround his home in New Orleans on Monday, Aug. 29, 2005. Hurricane Katrina dumped torrential rain and did extensive damage to Louisiana and Mississippi. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

New Orleans residents walk through chest deep floodwater after Hurricane Katrina made landfall on the Louisiana coast on Monday, Aug. 29, 2005. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

St. Tammany Parish Fire District 3 fireman Mark Frosch helps Reine Duron-Irias as other firemen help her daughter, Gloria Irias, and granddaughter, Trincice Johnson, after they were evacuated from their Lacombe, La. home on Monday, Aug. 29, 2005. The flood surge from Lake Pontchartrain came up two miles inland. (AP Photo/Mari Darr~Welch) ( HURRICANE KATRINA )

St. Berard Parish deputy sheriff Jerry Reyes uses his boat to rescue residents after Hurricane Katrina hit the area causing flooding in their New Orleans neighborhood, Monday Morning, Aug. 29, 2005. Officials called for a mandatory evacuation of the city, but many resident remained in the city. (AP Photo/Eric Gay) ( HURRICANE KATRINA )

An SUV is seen crushed by bricks after Hurricane Katrina hit New Orleans, Monday Morning, Aug. 29, 2005. Katrina plowed into the Gulf Coast at daybreak Monday with shrieking, 145-mph winds and blinding rain, submerging entire neighborhoods up to the rooflines in New Orleans, hurling boats onto land and sending water pouring into Mississippi's strip of beachfront casinos. (AP Photo/Eric Gay) ( HURRICANE KATRINA AFTERMATH )

A New Orleans fire truck cruises down Bourbon Street in the French Quarter as tourists look at damage to the Crescent City on Monday, Aug. 29, 2005. Hurricane Katrina pounded the city with 140 mph winds after it made landfall. (AP Photo/Bill Haber) ( HURRICANE KATRINA )

The North side of the Hyatt hotel in New Orleans was shredded by 140mph winds when Hurricane Katrina made landfall on the Louisiana coast on Monday, Aug. 29, 2005.(AP Photo/Dave Martin) ( HURRICANE KATRINA )

Blown out windows on the Dominion Building are the background for the Louisiana Superdome in New Orleans on Monday, Aug. 29, 2005. Hurricane Katrina brought 140mph winds and heavy rains to the Crescent City. (AP Photo/Dave Martin) ( HURRICANE KATRINA )

** ADVANCE FOR WEEKEND EDITIONS, AUG. 19-20 **FILE**Evelyn Turner cries alongside the body of her longtime companion, Xavier Bowie, after he died in New Orleans, in this Aug. 30, 2005 file photo. Bowie and Turner had decided to ride out Hurricane Katrina when they could not find a way to leave the city. Bowie, who had lung cancer, died when he ran out of oxygen. (AP Photo/Eric Gay) ( KATRINA SURVIVORS )

FILE - In this Tuesday, Aug. 30, 2005 picture, a New Orleans resident carries bottled water as she walks through oil-coated floodwaters in the downtown area. (AP Photo/Bill Haber) PART OF A SERIES OF 28 PICTURES NY641, TXDAM642, NY643-647, FLPAP648, NY649-661, FLPET662, NY663-667, FLPAP668 FOR USE WITH THE AUG. 29 ANNIVERSARY OF HURRICANE KATRINA ( Katrina Anniversary )

** FILE ** Floodwaters from Hurricane Katrina pour through a levee along Inner Harbor Navigaional Canal near downtown New Orleans, La., in this Aug. 30, 2005 file photo, a day after Katrina passed through the city. (AP Photo/Vincent Laforet, Pool) **zu unserem KORR. APD2630 ** ( USA HURRIKAN KATRINA CHRONIK )

FILE - In this Tuesday, Aug. 30, 2005 picture, a New Orleans resident is rescued from the rooftop of a home by a U.S. Coast Guard helicopter crew as floodwaters from Hurricane Katrina cover the streets. (AP Photo/David J. Phillip) PART OF A SERIES OF 28 PICTURES NY641, TXDAM642, NY643-647, FLPAP648, NY649-661, FLPET662, NY663-667, FLPAP668 FOR USE WITH THE AUG. 29 ANNIVERSARY OF HURRICANE KATRINA ( Katrina Anniversary )

FILE - In this Tuesday, Aug. 30, 2005 picture, people take merchandise from downtown businesses in New Orleans after Hurricane Katrina hit the area. (AP Photo/Eric Gay) PART OF A SERIES OF 28 PICTURES NY641, TXDAM642, NY643-647, FLPAP648, NY649-661, FLPET662, NY663-667, FLPAP668 FOR USE WITH THE AUG. 29 ANNIVERSARY OF HURRICANE KATRINA ( Katrina Anniversary )

Looters make their way into and out of a grocery store in New Orleans on Tuesday, Aug. 30, 2005. Flood waters continue to rise in New Orleans after Hurricane Katrina did extensive damage when it made landfall on Monday. (AP Photo/Dave Martin) ( TOPIX HURRICANE KATRINA )

FILE - In this Aug. 30, 2005 file photo, the Louisiana Superdome in New Orleans is seen in this aerial view, which was damaged by Hurricane Katrina, sits surrounded by floodwaters. Extreme storms, droughts and heat waves are getting so much worse because global warming that the world has to prepare for an unprecedented onslaught of deadly and costly weather disaster, an international panel of experts says. (AP Photo/David J. Phillip, File) ( Weather Extremes )

Louisiana National Guard troops patrol past the blown out Hyatt Hotel in New Orleans on Monday, Aug. 29, 2005. Hurricane Katrina battered New Orleans with heavy rains and 140mph winds. (AP Photo/Bill Haber) ( HURRICANE KATRINA )