Egyptian protesters greet army soldiers atop vehicles in central Cairo, Egypt, Saturday, Jan. 29, 2011. Hundreds of anti-government protesters have returned to Cairo’s central Tahrir Square, chanting slogans against Hosni Mubarak just hours after the Egyptian president fired his Cabinet but refused to step down. (AP Photo/Ahmed Ali)

Egyptian protesters greet army soldiers atop vehicles in central Cairo, Egypt, Saturday, Jan. 29, 2011. Hundreds of anti-government protesters have returned to Cairo’s central Tahrir Square, chanting slogans against Hosni Mubarak just hours after the Egyptian president fired his Cabinet but refused to step down. (AP Photo/Ahmed Ali)

In this photo taken Friday, Jan. 28, 2011, and made available Saturday, anti-goverment protesters run from a burning police vehicle in Suez, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Amru Salahuddien)

In this photo taken Friday, Jan. 28, 2011, and made available Saturday, anti-goverment protesters run from a burning police vehicle in Suez, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Amru Salahuddien)

Egyptians gesture as they stand atop an Egyptian army armored vehicle as they celebrate in downtown Cairo, Egypt, Saturday, Jan. 29, 2011. Hundreds of anti-government protesters returned Saturday to the streets of central Cairo, chanting slogans against Hosni Mubarak and attacking police just hours after the Egyptian president fired his Cabinet and promised reforms but refused to step down. (AP Photo/Amr Nabil)

Egyptians gesture as they stand atop an Egyptian army armored vehicle as they celebrate in downtown Cairo, Egypt, Saturday, Jan. 29, 2011. Hundreds of anti-government protesters returned Saturday to the streets of central Cairo, chanting slogans against Hosni Mubarak and attacking police just hours after the Egyptian president fired his Cabinet and promised reforms but refused to step down. (AP Photo/Amr Nabil)

Egyptian anti-government protesters climb atop an Egyptian army armored personnel carrier, next to a signpost bearing the words “Down Mubarak”, in Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Ben Curtis)

Egyptian anti-government protesters climb atop an Egyptian army armored personnel carrier, next to a signpost bearing the words “Down Mubarak”, in Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Ben Curtis)

Egyptian army soldiers take positions in front of army armoured vehicles in central Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Khalil Hamra)

Egyptian army soldiers take positions in front of army armoured vehicles in central Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Khalil Hamra)

An Egyptian anti-government activist, wounded during recent clashes with police, is seen below an Egyptian flag, with illegible Arabic writing upon it, in Tahrir square in Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Ben Curtis)

An Egyptian anti-government activist, wounded during recent clashes with police, is seen below an Egyptian flag, with illegible Arabic writing upon it, in Tahrir square in Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Ben Curtis)

An army officer who joined anti-government protests tears up a picture of Egyptian President Hosni Mubarak, downtown Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Ahmed Gumaa)

An army officer who joined anti-government protests tears up a picture of Egyptian President Hosni Mubarak, downtown Cairo, Egypt, Saturday, Jan. 29, 2011. (AP Photo/Ahmed Gumaa)

A pro-Egyptian protester holds a sign with the message “Mubarak Game Over”, during a peaceful demonstration to support the Egyptian people, in front of the Palais Wilson, the headquarters of the Office of the United Nations High Commissioner for Human Rights, in Geneva, Switzerland, Friday, Jan. 28, 2011. (AP Photo/Keystone, Salvatore Di Nolfi)

A pro-Egyptian protester holds a sign with the message “Mubarak Game Over”, during a peaceful demonstration to support the Egyptian people, in front of the Palais Wilson, the headquarters of the Office of the United Nations High Commissioner for Human Rights, in Geneva, Switzerland, Friday, Jan. 28, 2011. (AP Photo/Keystone, Salvatore Di Nolfi)

An Egyptian protesters prays in front of anti-riot police in Cairo, Egypt, Friday, Jan. 28, 2011. Egyptian activists protested for a fourth day as social networking sites called for a mass rally in the capital Cairo after Friday prayers, keeping up the momentum of the country’s largest anti-government protests in years. (AP Photo/ Lefteris Pitarakis)

An Egyptian protesters prays in front of anti-riot police in Cairo, Egypt, Friday, Jan. 28, 2011. Egyptian activists protested for a fourth day as social networking sites called for a mass rally in the capital Cairo after Friday prayers, keeping up the momentum of the country’s largest anti-government protests in years. (AP Photo/ Lefteris Pitarakis)

An Egyptian protester flashes Egypt’s flag as anti-riot policemen use water cannon against protesters in Cairo, Egypt, Friday, Jan. 28, 2011. Egyptian activists protested for a fourth day as social networking sites called for a mass rally in the capital Cairo after Friday prayers, keeping up the momentum of the country’s largest anti-government protests in years. (AP Photo/ Lefteris Pitarakis)

An Egyptian protester flashes Egypt’s flag as anti-riot policemen use water cannon against protesters in Cairo, Egypt, Friday, Jan. 28, 2011. Egyptian activists protested for a fourth day as social networking sites called for a mass rally in the capital Cairo after Friday prayers, keeping up the momentum of the country’s largest anti-government protests in years. (AP Photo/ Lefteris Pitarakis)

Public buses with the words “out of service” are parked in a bus station in Porto, Portugal, Wednesday, Nov. 24 2010. Very few buses were running Wednesday as most of public transport in Portugal was suspended due to a general strike protesting the government’s austerity measures aimed at controlling the country’s current financial crisis. (AP Photo/Paulo Duarte) Read more →

Public buses with the words “out of service” are parked in a bus station in Porto, Portugal, Wednesday, Nov. 24 2010. Very few buses were running Wednesday as most of public transport in Portugal was suspended due to a general strike protesting the government’s austerity measures aimed at controlling the country’s current financial crisis. (AP Photo/Paulo Duarte)

Read more →

A demonstrator runs to avoid tear gas fired by police and UN soldiers during a protest in Port-au-Prince, Haiti, Thursday, Nov. 18, 2010. Following days of rioting in northern Haiti over suspicions that U.N. soldiers introduced a cholera epidemic that has killed more than 1,000 people, protesters in Haiti’s capital clashed with police Thursday lashing out at U.N. peacekeepers and the government, blocking roads and attacking foreigners’ vehicles. (AP Photo/Ramon Espinosa) Read more →

A demonstrator runs to avoid tear gas fired by police and UN soldiers during a protest in Port-au-Prince, Haiti, Thursday, Nov. 18, 2010. Following days of rioting in northern Haiti over suspicions that U.N. soldiers introduced a cholera epidemic that has killed more than 1,000 people, protesters in Haiti’s capital clashed with police Thursday lashing out at U.N. peacekeepers and the government, blocking roads and attacking foreigners’ vehicles. (AP Photo/Ramon Espinosa)

Read more →

A French riot policeman, left, holds an anesthetist doctor who was demonstrating near the Elysee Palace in Paris, Friday, Oct. 1, 2010 on the ground. Hundreds of anesthetist doctors were protesting against the policy of the French Health Minister Roselyne Bachelot. (AP Photo/Remy de la Mauviniere)

A French riot policeman, left, holds an anesthetist doctor who was demonstrating near the Elysee Palace in Paris, Friday, Oct. 1, 2010 on the ground. Hundreds of anesthetist doctors were protesting against the policy of the French Health Minister Roselyne Bachelot. (AP Photo/Remy de la Mauviniere)

People look at a life-size photo of a mass unmarked civil war grave found near Burgos, during a protest in Madrid, Thursday, Sept. 2, 2010. People and associations continue to search for the bodies of thousands of people believed to have been killed by supporters of dictator Francisco Franco during Spain’s 1936-1939 civil war and dumped in unmarked graves.(AP Photo/Paul White)

People look at a life-size photo of a mass unmarked civil war grave found near Burgos, during a protest in Madrid, Thursday, Sept. 2, 2010. People and associations continue to search for the bodies of thousands of people believed to have been killed by supporters of dictator Francisco Franco during Spain’s 1936-1939 civil war and dumped in unmarked graves.(AP Photo/Paul White)

A police car burns during an anti-G20 demonstration Saturday, June 26, 2010 in Toronto. (AP Photo/The Canadian Press, Nathan Denette) Read more →

A police car burns during an anti-G20 demonstration Saturday, June 26, 2010 in Toronto. (AP Photo/The Canadian Press, Nathan Denette)

Read more →