(Reuters) - A plumber (L) works on one of several hundred trailer homes at a trailer site, on the first day victims of Hurricane Katrina were assigned new housing in Baker, Louisiana October 6, 2005. (Lee Celano/Reuters)

(AP) - In this Sept. 5, 2005 file photo Sen. Barack Obama, D-Ill., left and former President Bill Clinton greet hurricane Katrina evacuees in the Reliant Center in Houston. Obama spokesman Robert Gibbs said the senator called Bill Clinton after Obama landed in Missouri Monday morning, June 30, 2008, and asked Clinton to...

(AP) - In this Sept. 5, 2005 file photo, former President Bill Clinton, right, carries a young girl as he and Democratic presidential candidate Sen. Barack Obama, D-Ill. visit with Hurricane Katrina evacuees in Houston. The former president...

(AP) - Nelvin Wade, right, a contract inspector for FEMA, explains to Dorothy Nemecek, second from left, and her children Jim Nemecek,...

(AP) - Jim Nemecek, left, watches as Nelvin Wade, a contract inspector for FEMA, measures where the water reached in Nemecek's mother's living room in Cedar Rapids, Iowa, Friday, June 20, 2008. Wade was not able...

(AP) - Dorothy Nemecek, right, and her daughter Judy Dolezal try to get a look inside Dorothy's basement in Cedar Rapids, Iowa, Friday, June 20, 2008. Nemecek was trying to clear the way for FEMA inspectors, but because of standing water in the...

(AP) - Hair stylists Jeff Shlock, left, and Heather Rae Cheszek, of Chicago, take a break...

(AP) - Hair stylists Lynn Griglin, of Lansing, Ill., photographs another volunteer while working on a Habitat for Humanity construction site in Slidell, La. Monday, June 23, 2008. Slidell, a city about 30 miles from New...

(AP) - Vidal Sassoon, right, and Brandon Strunk help erect a wall at a Habitat for Humanity construction site in Slidell, La. Monday, June 23, 2008. Slidell, a city about 30 miles from New Orleans, was badly damaged by Hurricane...

(AP) - World famous hairdresser Vidal Sassoon speaks at a Habitat for Humanity construction site in Slidell, La. Monday, June 23, 2008. Slidell, a city about 30 miles from New Orleans, was badly damaged by Hurricane Katrina. Sassoon is working with Habitat and Hairdressers Unlocking Hope,...

(AP) - World famous hairdresser Vidal Sassoon, center, helps erect a wall at a Habitat for Humanity construction site in Slidell, La. Monday, June 23, 2008. Slidell, a city about 30 miles from New Orleans, was badly damaged by Hurricane Katrina. Sassoon...

(AP) - World famous hairdresser Vidal Sassoon speaks at a Habitat for Humanity construction site in Slidell, La. Monday, June 23, 2008. Slidell, a city about 30 miles from New Orleans, was badly damaged by Hurricane Katrina. Sassoon is working with Habitat and Hairdressers Unlocking Hope,...

(AP) - World famous hairdresser Vidal Sassoon helps erect a wall at a Habitat for Humanity construction site in Slidell, La. Monday, June 23, 2008. Slidell, a city about 30 miles from New Orleans, was badly damaged by Hurricane Katrina. Sassoon is working...

(AP) - In a Saturday, Nov. 10, 2007 file photo, streetcars run along the Uptown section of the St. Charles Ave. line in New Orleans. The full 13-mile length of the city's historic St. Charles street car line will be up and running for...

(AP) - Louisiana Gov. Bobby Jindal answers a question as New Orleans Mayor Ray Nagin looks on after Jindall announced that the National Guard will stay in the city Thursday, June 19, 2008, in New...

(AP) - Louisiana Gov. Bobby Jindal, right, joined by National Guard Adjutant General Major General Bennett Landreneau, left, and New Orleans Police Superintendent Warren Riley, center, announces that the National Guard will stay in the...

(AP) - From left, Louisiana National Guard Adjutant General Major General Bennett Landreneau, New Orleans Mayor Ray Nagin, listen as Louisiana Gov. Bobby Jindal, answers a question after he announced that the...

(AP) - Sen. David Vitter, R-La., left, looks on as Sen. Mary Landrieu, D-La. speaks during a news conference on Capitol Hill in Washington, Wednesday June 18, 2008, to discuss Hurricane Katrina and Hurricane Rita recovery money. (AP Photo/Jose Luis Magana)

(AP) - Johnathan Wilson, left, hands boxes of water and MREs to volunteers at the emergency shelter in Prairie High School in Cedar Rapids, Iowa, Tuesday, June 17, 2008. Johnathan drove from McLaurin, Miss. with his family, bringing a trailer...

(AP) - Tom Hobson, left, and his wife Rhonda Hobson, right, help unload...