Relatives of the victims of a train crash react during the one-year anniversary ceremony at the Once train station in Buenos Aires, Argentina, Friday, Feb. 22, 2013. A year after a train crash killed 51 people and injured 800 others on Feb. 22, 2012, exposing systemic corruption and other failures in Argentina's transportation systems, the victims' families and other passengers are as angry as ever over a litany of promised improvements and safety measures that have not been made.(AP Photo/Victor R. Caivano)

Egyptians women use metal cooking pots and chant anti-president Mohammed Morsi slogans while protesting in front of the provincial government headquarters, unseen, during day six of the general strike, in Port Said, Egypt, Friday, Feb. 22, 2013. In the restive city of Port Said, where a general strike entered its sixth day on Friday, factory workers, activists and laborers have held street rallies that brought the coastal city on the northern tip of the Suez Canal to a halt, though shipping in the international waterway has not been affected. (AP Photo/Nasser Nasser)

Members of Australia Olympic men's relay swim team sit at a table during a press conference in Sydney, Australia, Friday, Feb. 22, 2013, following reports they engaged in disruptive behavior including making prank calls during the Australian team's pre-Olympic games camp in Manchester. Former world swimming champions Magnussen and Eamon Sullivan, and their 4x100-meter relay teammates, face possible sanction from the Australian Olympic Committee after admitting taking the sleeping medication Stilnox during a "bonding session" ahead of last year's London Games. From left:Cameron McEvoy, James Magnussen, Eamon Sullivan, Australian Swimmers Association Chief Executive Daniel Kowalski, Swimming Australia President Barclay Nettlefold, Matthew Targett, James Roberts, Tommaso D'Orsogna. (AP Photo/Rick Rycroft)

A masked Palestinian throws back a gas canister during a protest to support Palestinian prisoners, outside Ofer, an Israeli military prison near the West Bank city of Ramallah, Friday, Feb. 22, 2013. Israel holds a few thousand Palestinians on charges ranging from throwing rocks to deadly attacks. (AP Photo/Majdi Mohammed)

Displayed is Kosovo's most emblematic terra-cotta figurine known as Goddess on the Throne, part of artifacts returned from Germany to the Kosovo Archeology Museum in capital Pristina on Friday, Feb. 22, 2013. The artefacts are believed to have been stolen during the 1998-99 Kosovo war. (AP Photo/Visar Kryeziu)

Workers prepare the red carpet arrival area outside the Dolby Theatre in the Hollywood section of Los Angeles, Thursday, Feb. 21, 2013. The 85th Academy Awards will be held in Los Angeles on Sunday. (AP Photo/Jae C. Hong)

Smoke and flames billow from a burning vehicle following a shooting and multi-car accident on the Las Vegas Strip in Las Vegas early Thursday, Feb. 21, 2013. The Las Vegas Strip became a scene of deadly violence early Thursday when, authorities say, someone in a black Range Rover opened fire on a Maserati, sending it crashing into a taxi that burst into flames, leaving three people dead and at least six injured. (AP Photo/Erik Lackey)

The scene following a lorry glue spill in Sanquhar, Scotland. PRESS ASSOCIATION Photo. Picture date: Friday February 22, 2013. A lorry carrying glue has spilled its load on a main route, causing major traffic disruption. About 19 tonnes of glue spread across the A76 at Sanquhar in Dumfries and Galloway, causing a length of the main route between Dumfries and Cumnock in East Ayrshire to close. See PA Story: SCOTLAND Glue. Photo credit should read: Danny Lawson/PA Wire

Chancellor of the Exchequer George Osbourne tries his hand at hallmarking with hand hallmarker Faye Grove at the Birmingham Assay Office. PRESS ASSOCIATION Photo. Picture date: Friday February 22, 2013. Photo credit should read: Joe Giddens/PA Wire

Officials of India's National Investigation Agency look for evidence in the debris at one of the two bomb blast sites, in Hyderabad, India, Friday, Feb. 22, 2013. A day after two bicycle bombs killed more than a dozen people and wounded more than 100, investigators into India's worst bombing in more than a year searched Friday for possible links to anger over the execution of a Muslim militant. (AP Photo/Aijaz Rahi)

A woman shelters from the rain and the flodding at a bus stop, by standing on a bench, on a flooded highway linking Athens with its port of Piraeus, during a rainstorm on Friday, Feb. 22, 2013. Hours of heavy rainfall in Athens caused extensive flooding, inundating basements and forcing authorities to close major roads and a central subway station. The Greek fire brigade says it received more than 900 calls to pump out water in the greater Athens region Friday. (AP Photo/Petros Giannakouris)

A new born Gorilla baby sits in the hands of his mother Changa-Maidi at the zoo in Muenster, western Germany, Friday, Feb. 22, 2013. The little western lowland Gorilla boy was born 4 weeks ago. (AP Photo/Martin Meissner)

Olympic athlete Oscar Pistorius stands in the dock during his bail hearing at the magistrates court in Pretoria, South Africa, Friday, Feb. 22, 2013. The fourth and likely final day of Oscar Pistorius' bail hearing opened on Friday, with the magistrate then to rule if the double-amputee athlete can be freed before trial or if he has to remain in custody over the shooting death of his girlfriend. (AP Photo/Themba Hadebe)