(AP) - A Sept. 13, 2001, file photo of James Symington and...

(BioArts) - The logo of BioArts. A dog that sniffed out survivors from under the rubble of New York's World Trade Center after the 2001 terror strikes is to be cloned, the California-based firm conducting the procedure said.(BioArts)

(Reuters) - The port side damage to the guided missile destroyer USS Cole is pictured after a bomb attack during a refueling operation in...

(AFP/Getty Images/File) - Construction continues at the World Trade Center site in New York City. Construction of skyscrapers and an underground transport hub to replace the World Trade Center towers destroyed in the September 11 terror attacks will be delayed for years and cost far more than planned, New York officials said Monday.(AFP/Getty Images/File/Stephen Chernin)

(AFP/File) - Construction workers and heavy machinery operate at the building site at "Ground Zero" of the World Trade Center development, in New York, 2007. Construction of skyscrapers and an underground transport hub to replace the World Trade Center destroyed in the September 11 terror attack will be delayed for years and cost...

(AP) - This file picture provided by Silverstein Properties, Inc. in Sept 2006 shows an artist's rendering of three proposed designs for...

(AP) - In this file photo of Friday, June 20, 2008, construction cranes work above the Freedom Tower foundations at the World Trade Center site in New York. The World Trade Center's owner on Monday, June 30, 2008, proposed scrapping...

(AFP/ABC-HO/File) - This ABC World New Tonight handout photo shows Abdel Rahim al-Nashiri, al-Qaeda's chief of operations for the Gulf and a suspected mastermind of the USS Cole bombing in Yemen. A Saudi national suspected of leading Al-Qaeda in the Gulf was Monday charged by the Pentagon with organizing some 40 attacks including...

(AFPGraphic) - Graphic showing Middle Eastern visitors to Thailand. The number of Middle Eastern visitors heading to Thailand for medical treatment has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less than welcoming.(AFPGraphic/Martin Megino/Gal)

(AFP) - A doctor talks to Muslim patients at Bumrungrad Hospital in Bangkok. The numbers of Middle Eastern visitors to Thailand has been rising for years, especially since the September 11 attacks, when Arab tourists suddenly found the West, particularly the visa office, less friendly.(AFP/Pornchai Kittiwongsakul)

(AFP) - Muslim patients wait to be seen at Bumrungrad Hospital in Bangkok. The numbers of Middle Eastern visitors to Thailand has been rising for years, especially since the September 11 attacks, when Arab tourists suddenly found the West, particularly the visa office, less friendly.(AFP/Pornchai Kittiwongsakul)

(AFP) - Hospital workers help Muslim patients at Bumrungrad Hospital in Bangkok. The numbers of Middle Eastern visitors to Thailand has been rising for years, especially since the September 11 attacks, when Arab tourists suddenly found the West, particularly the visa office, less friendly.(AFP/Pornchai Kittiwongsakul)

(AFP/File) - Hospital workers help Muslim patients at Bumrungrad Hospital in Bangkok earlier this month. The number of Middle Eastern visitors heading to Thailand for medical treatment has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less than welcoming.(AFP/File/Pornchai Kittiwongsakul)

(AFP/File) - A doctor talks to Muslim patients at Bumrungrad Hospital in Bangkok earlier this month. The number of Middle Eastern visitors heading to Thailand for medical treatment has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less than welcoming.(AFP/File/Pornchai Kittiwongsakul)

(AFP/File) - Muslim patients wait to be seen at Bumrungrad Hospital in Bangkok earlier this month. The number of Middle Eastern visitors heading to Thailand for medical treatment has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less than welcoming.(AFP/File/Pornchai Kittiwongsakul)

(AFP/File) - A Middle Eastern family make their way to see a doctor at Thailand's top private hospital, Bumrungrad International, in Bangkok. The number of Middle Eastern visitors to Thailand has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less than welcoming.(AFP/File/Saeed Khan)

(AFP/File) - A Thai nurse takes temperature and blood pressure of a patient from Middle East at Thailand's top private hospital, Bumrungrad International, in Bangkok. The number of Middle Eastern visitors to Thailand has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less...

(AFP/File) - Patients from the Middle East wait for their to turn to see a doctor at Thailand's top private hospital, Bumrungrad International, in Bangkok. The number of Middle Eastern visitors to Thailand has been rising steadily in recent years, especially since the September 11, 2001 attacks on the US when Arab tourists found the West less...

(Reuters) - An employee at the National Security Agency (NSA) sits at her computer terminal in the Threat Operations Center in a file photo. The House of Representatives passed a bill on Friday that could shield phone companies from billions of dollars in lawsuits for their participation in the warrantless surveillance program begun by...