Forensic and police officers are seen in front of the Ozar Hatorah Jewish school in Toulouse, France, March 19, 2012, where a man opened fire and killed a 30-years old teacher and three children aged 6, 3 and 10. Two others were wounded. (EPA)

A woman takes part in a carnival rally along Reforma Avenue to celebrate spring day in Mexico City, March 18, 2012. (Yuri Cortez/AFP/Getty Images)

Egyptian Coptic priests gather around the body of Pope Shenuda III, the spiritual leader of the Middle East's largest Christian minority, sitting dressed in formal robes on a wooden throne at the Saint Mark's Coptic Cathedral in Cairo's al-Abbassiya district, March 19, 2012. (Gianluigi Guercia/AFP/Getty Images)

Some of the hundreds of thousands of supporters of the anti-US cleric Moqtada al-Sadr' Sadrist movement, wave the Iraqi flag in the center of the southern city of Basra, March 19, 2012. Protesters at the rally, which marks the ninth anniversary of the U.S. invasion of Iraq in 2003, demand better living conditions and a resolution to corruption across the country. (Ahmad Al Rubaye/AFP/Getty Images)

Chinese tourists pose for photos outside the Forbidden City in Beijing, March 19, 2012. A Chinese farmer has been sentenced to 13 years in jail for stealing works of art and jewels from the Forbidden City last year, in a rare theft at the ancient imperial palace. (Mark Ralston/AFP/Getty Images)

The Jefferson Memorial in Washington, DC is seen March 19, 2012 as a back drop to the Cherry blossoms which have come full bloom due to the early warm weather along the East coast of the US. The blossoms are expected to reach their peak this week. (Karen Bleier/AFP/Getty Images)

A small dog takes in the scenery from the back of a Harley Davidson in Dubuque, Iowa, March 17, 2012. (Jeremy Portje/Telegraph Herald/AP Photo)

A Syrian rebel stands next to a flaming tire while firing at a Syrian army checkpoint, in a suburb of Damascus, Syria, March 17, 2012. Two suicide bombers detonated cars packed with explosives in near-simultaneous attacks on heavily guarded intelligence and security buildings in the Syrian capital Damascus, killing at least 27 people. (AP Photo)