The Arab Revolution of 2011

In this photo taken Friday, April 15, 2011, Libyan muslim preacher Mohammed Taeb delivers the sermon at his mosque in Benghazi, Libya. Libyan ruler Moammar Gadhafi's secret police once haunted the country's mosques, locking up, torturing and killing Muslim preachers whose talk they considered a threat and now Taeb, who was jailed for seven years by the regime, urges his congregation to work for a civil state with strong institutions and freedoms of speech and association. (AP Photo/Ben Curtis)

In this photo taken Friday, April 15, 2011, Libyan muslim preacher Mohammed Taeb, center, walks to deliver the sermon at his mosque in Benghazi, Libya. Libyan ruler Moammar Gadhafi's secret police once haunted the country's mosques, locking up, torturing and killing Muslim preachers whose talk they considered a threat and now Taeb, who was jailed for seven years by the regime, urges his congregation to work for a civil state with strong institutions and freedoms of speech and association. (AP Photo/Ben Curtis)

In this photo taken Friday, April 15, 2011, Libyan muslim preacher Mohammed Taeb drinks tea while speaking on the phone inside a side-room at his mosque in Benghazi, Libya. Libyan ruler Moammar Gadhafi's secret police once haunted the country's mosques, locking up, torturing and killing Muslim preachers whose talk they considered a threat and now Taeb, who was jailed for seven years by the regime, urges his congregation to work for a civil state with strong institutions and freedoms of speech and association. (AP Photo/Ben Curtis)

Libyans watch a television screen showing Saif al-Islam Kadhafi, son of Libyan leader Moamer Kadhafi, speaking to an audience during an evening talk show in Tripoli. Saif said Tuesday he was "very optimistic" that his father's regime will prevail as the country is in the grip of a two-month uprising. (AFP/Joseph Eid)

Vapor trails of NATO jets are seen over the minaret of a mosque in the besieged Libyan city of Misrata. NATO acknowledged Tuesday the limits of air power to stop Moamer Kadhafi's forces attacking the Libyan city of Misrata as France voiced more frustration over the one-month-old bombing campaign. (AFP/Odd Andersen)

NATO Chief of Allied Operations, Brigadier General Mark van Uhm of the Dutch Army, speaks at a press conference about NATO operations in Libya, at NATO headquarters in Brussels. NATO acknowledged Tuesday the limits of air power to stop Moamer Kadhafi forces attacking Libya's city of Misrata as France voiced more frustration over the one-month-old bombing campaign. (AFP/Thierry Charli

Libyan civilians and rebels walk in front of a hospital wall decorated with images of dead Libyans and those who are missing during the uprising. A rebel official in Libya's besieged city of Misrata desperately pleaded Tuesday for Britain and France to send in troops to help against the forces of strongman Moamer Kadhafi, saying "if they don't, we will die. "(AFP/Marwan Naamani)

A blood-soaked stretcher sits in a corridor of a medical facility in Misrata. A rebel official in Libya's besieged city of Misrata desperately pleaded Tuesday for Britain and France to send in troops to help against the forces of strongman Moamer Kadhafi, saying "if they don't, we will die. "(AFP/Phil Moore

A rebel fighter stands on the burned out carcass of a tank at an army base captured the day before in the fought-over district of Kerzaz in the city of Misrata. A rebel official in Libya's besieged city of Misrata desperately pleaded Tuesday for Britain and France to send in troops to help against the forces of strongman Moamer Kadhafi, saying "if they don't, we will die. "(AFP/Phil Moore)

Libyan rebel leader Mustafa Abdul Jalil takes part in a press conference at the end of a meeting with Italian Foreign Minister Franco Frattini in Rome. Moamer Kadhafi can only be toppled by force, Jalil said Tuesday during a visit to Rome in which Italy said the opposition could be aided with military equipment and foreign oil sales. (AFP/Tiziana Fabi)

Libyan rebel leader Mustafa Abdul Jalil (L) shakes hands with Italian Foreign Minister Franco Frattini during a press conference at the end of their meeting in Rome. Moamer Kadhafi can only be toppled by force, Jalil said Tuesday during a visit to Rome in which Italy said the opposition could be aided with military equipment and foreign oil sales. (AFP/Tiziana Fabi)

Rebels occupy an army battalion base captured the day before in the fought-over district of Kerzaz in the city of Misrata. A rebel official in Libya's besieged city of Misrata desperately pleaded Tuesday for Britain and France to send in troops to help against the forces of strongman Moamer Kadhafi, saying "if they don't, we will die. "(AFP/Phil Moore)

A Libyan rebel takes cover behind a destroyed military vehicle during clashes with fighters loyal to Moamer Kadhafi in Misrata. The UN said Tuesday it has sent food for 50,000 people to west Libya as aid groups scrambled to reach trapped civilians and rebels put the death toll from two months of fighting at 10,000. (AFP/Odd Andersen)

Libyan rebels fire a heavy machine gun during clashes with forces loyal to Moamer Kadhafi in Misrata. The UN said Tuesday it has sent food for 50,000 people to west Libya as aid groups scrambled to reach trapped civilians and rebels put the death toll from two months of fighting at 10,000. (AFP/Phil Moore)

Libyan rebels carry the coffin of a comrade, whom they said was killed by forces loyal to Moammar Gadhafi in Brega, during a funeral in Benghazi, Tuesday, April 19, 2011. Europe is ready to send an armed force to Libya to ensure delivery of humanitarian aid and Britain said Tuesday it will dispatch senior military officers to advise the opposition — signs that Western nations are inching closer to having troops on Libyan soil. (AP Photo)

A man passes graffiti caricatures related to Moammar Gadhafi and Brega, during a funeral in Benghazi, Tuesday, April 19, 2011. The writing on the wall reads 'the greatest rat of all,' in Arabic. Europe is ready to send an armed force to Libya to ensure delivery of humanitarian aid and Britain said Tuesday it will dispatch senior military officers to advise the opposition - signs that Western nations are inching closer to having troops on Libyan soil. (AP Photo

Libyan rebels surround the coffin of a comrade, whom they say was killed by forces loyal to Moammar Gadhafi in Brega, during a funeral in Benghazi, Tuesday, April 19, 2011. Europe is ready to send an armed force to Libya to ensure delivery of humanitarian aid and Britain said Tuesday it will dispatch senior military officers to advise the opposition - signs that Western nations are inching closer to having troops on Libyan soil. (AP Photo)

A rebel fighter's boot is seen as he stands on a mural of Muammar Gaddafi at a residence at the front line along the western entrance of Ajdabiyah April 19, 2011. REUTERS/Amr Abdallah Dalsh

Libyan rebel fighters step on a poster with a picture of Libyan leader Moammar Gadhafi that was obtained during the fighting with pro-Gadhafi forces, at the western gate of Ajdabiya, Libya Tuesday, April 19, 2011. Europe is ready to send an armed force to Libya to ensure delivery of humanitarian aid and Britain said Tuesday it will dispatch senior military officers to advise the opposition - signs that Western nations are inching closer to having troops on Libyan soil. (AP Photo/Nasser Nasser)

Libyan rebel fighters damage a poster with a picture of Libyan leader Moammar Gadhafi that was obtained during the fighting with pro-Gadhafi forces, Arabic reads 'We challenge you', at the western gate of Ajdabiya, Libya Tuesday, April 19, 2011. Europe is ready to send an armed force to Libya to ensure delivery of humanitarian aid and Britain said Tuesday it will dispatch senior military officers to advise the opposition — signs that Western nations are inching closer to having troops on Libyan soil. (AP Photo/Nasser Nasser)

Map locating areas of heavy fighting in Libya. Britain is sending a team of experienced military officers to advise Libyan rebels fighting Moamer Kadhafi's regime, Foreign Secretary William Hague has said. (AFP/Graphic)

An excavator travels past a damaged tank at the front line along the western entrance of Ajdabiyah April 19, 2011.Rebels peered at Ajdabiyah's western gate into the desert through binoculars on Tuesday morning at what they said were Muammar Gaddafi's forces 30km (20 miles) away.. REUTERS/Amr Abdallah Dalsh

Rebel fighters pray at the front line along the western entrance of Ajdabiyah April 19, 2011. Rebels peered at Ajdabiyah's western gate into the desert through binoculars on Tuesday morning at what they said were Muammar Gaddafi's forces 30km (20 miles) away. REUTERS/Amr Abdallah Dalsh

A rebel fighter hits a picture of Libyan leader Muammar Gaddafi at the front line along the western entrance of Ajdabiyah April 19, 2011. Rebels peered at Ajdabiyah's western gate into the desert through binoculars on Tuesday morning at what they said were Gaddafi's forces 30 km (20 miles) away. REUTERS/Amr Abdallah Dalsh

Rebel fighters man a rocket pod taken from an aircraft mounted on a pickup truck, in the front line along the western entrance of Ajdabiyah April 19, 2011. Rebels peered at Ajdabiyah's western gate into the desert through binoculars on Tuesday morning at what they said were Muammar Gaddafi's forces 30 km (20 miles) away. REUTERS/Amr Abdallah Dalsh