The Arab Revolution of 2011

A Yemeni boy with his face painted with the colors of his national flag, gestures while held by his father during a demonstration by anti-government protestorsdemanding the resignation of Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Wednesday, March 2, 2011. Yemen's embattled president on Tuesday accused the U.S., his closest ally, of instigating the mounting protests against him, but the gambit failed to slow the momentum for his ouster. Hundreds of thousands rallied in cities across Yemen against the government of President Ali Abdullah Saleh, in the largest of the protests of the past month, including one addressed by an influential firebrand cleric, a former ally of Saleh, whom the U.S. has linked to al-Qaida. (AP Photo/Muhammed Muheisen
Female anti-government protestors take part in a demonstration demanding the resignation of Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Wednesday,March 2, 2011. Yemen's embattled president on Tuesday accused the U.S., his closest ally, of instigating the mounting protests against him, but the gambit failed to slow the momentum for his ouster. (AP Photo/Muhammed Muheisen)
A child with face paint in the colours of Yemen's national flag attends a protest demanding the ouster of Yemen's President Ali Abdullah Salehoutside Sanaa University March 2, 2011. Reuters/Ammar Awad
A Yemeni boy wearing a headband that reads in Arabic, 'I am the coming martyr', takes part in a demonstration by anti-government protestors demanding theresignation of Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Wednesday, March 2, 2011. Yemen's embattled president on Tuesday accused the U.S., his closest ally, of instigating the mounting protests against him, but the gambit failed to slow the momentum for his ouster. (AP Photo/Muhammed Muheisen)
An anti-government protestor passes a cake baked by a female demonstrator which reads in Arabic, ' Leave', during a demonstration demanding the resignationof Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Wednesday, March 2, 2011. Yemen's embattled president on Tuesday accused the U.S., his closest ally, of instigating the mounting protests against him, but the gambit failed to slow the momentum for his ouster. (AP Photo/Muhammed Muheisen)
Anti-government protesters shout slogans during a demonstration demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa UniversityMarch 2, 2011. Reuters/Khaled Abdullah
An anti-government protestor, left, sprays foam to cool off other demonstrators shouting slogans during a demonstration demanding the resignation of YemeniPresident Ali Abdullah Saleh, in Sanaa, Yemen, Wednesday, March 2, 2011. Yemen's embattled president on Tuesday accused the U.S., his closest ally, of instigating the mounting protests against him, but the gambit failed to slow the momentum for his ouster. Banner on right reads in Arabic, 'I would rather die but my people live'. (AP Photo/Muhammed Muheisen)
A Yemeni protester chants slogans calling for the ouster of President Ali Abdullah Saleh and holds a sign that reads in Arabic "Down with the regime"during a massive anti-regime rally in the capital Sanaa. Britain said Tuesday it had summoned the charge d?affaires from Yemen's London embassy to express concern over reports of "deaths and casualties" in the ongoing protests in Yemen. (AFP/Ahmad Gharabli)
A Yemeni protester chants slogans calling for the ouster of President Ali Abdullah Saleh during a massive anti-regime rally in Sanaa. Huge crowds havepoured onto the streets of the Yemeni capital Sanaa in what the opposition hailed as the biggest protest yet against President Ali Abdullah Saleh's three-decade rule. (AFP/Ahmad Gharabli
Yemeni protesters hold their national flag during a massive anti-regime rally in Sanaa. Huge crowds have poured onto the streets of the Yemeni capitalSanaa in what the opposition hailed as the biggest protest yet against President Ali Abdullah Saleh's three-decade rule. (AFP/Ahmad Gharabli)
A Yemeni protester holds a wooden cutout that reads in Arabic "Leave" during a massive anti-regime rally in the capital Sanaa.… (AFP/Ahmad Gharabli)
Anti-government protestors gesture while other demonstrator holds a wooden cutout that reads in Arabic, 'Leave', during a demonstration demanding theresignation of Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Tuesday, March 1, 2011. Yemen's embattled president has accused the United States and Israel of trying to destabilize his country and the Arab world. (AP Photo/Muhammed Muheisen)
An anti-government protestor reacts as he and other demonstrators shout slogans during a demonstration demanding the resignation of Yemeni President AliAbdullah Saleh, in Sanaa, Yemen, Tuesday, March 1, 2011. Yemen's embattled president has accused the United States and Israel of trying to destabilize his country and the Arab world. (AP Photo/Muhammed Muheisen)
Anti-government protesters shout slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March1, 2011. Tens of thousands of protesters flooded Yemen's streets on Tuesday, dedicating a fresh "Day of Rage" to the 24 people killed in demonstrations demanding an end to the Saleh's three-decade rule. Reuters/Khaled Abdullah
Anti-government protester shout slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March1, 2011. Tens of thousands of protesters flooded Yemen's streets on Tuesday,dedicating a fresh "Day of Rage" to the 24 people killed in demonstrations demanding an end to the Saleh's three-decade rule. Reuters/Ammar Awad
An anti-government protester shouts slogans as he waves Yemen's national flag during a protest demanding the ouster of Yemen's President Ali AbdullahSaleh outside Sanaa University March 1, 2011. Tens of thousands of protesters flooded Yemen's streets on Tuesday,dedicating a fresh "Day of Rage" to the 24 people killed in demonstrations demanding an end to the Saleh's three-decade rule. Reuters/Ammar Awad
Soldiers ride a military truck in Sanaa March 1, 2011. Yemen's President Ali Abdullah Saleh chastised Washington on Tuesday for its criticism of Arableaders' responses to regional unrest, asking U.S. President Barack Obama if he was "president of the world". Reuters/Khaled Abdullah
Republican Guards man a machinegun on a military vehicle patrolling the vicinity of a hall where Yemen's President Ali Abdullah Saleh attended a gatheringof university professors and students in Sanaa March 1, 2011. Saleh chastised Washington on Tuesday for its criticism of Arab leaders' responses to regional unrest, asking U.S. President Barack Obama if he was "president of the world". Reuters/Khaled Abdullah
Anti-government protesters shout slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March1, 2011. Tens of thousands of protesters flooded Yemen's streets on Tuesday, dedicating a fresh "Day of Rage" to the 24 people killed in demonstrations demanding an end to the Saleh's three-decade rule.… Reuters/Ammar Awad
An anti-government protester waves Yemen's national flag as he sits on a traffic light during a protest demanding the ouster of Yemen's PresidentAli Abdullah Saleh outside Sanaa University, March 1, 2011. Reuters/Khaled Abdullah)
An anti-government protester shouts slogans as he waves Yemen's national flag during a protest demanding the ouster of Yemen's President Ali AbdullahSaleh outside Sanaa University March 1, 2011. Reuters/Ammar Awad
Anti-government protestors wave Tunisian, Yemeni and Egyptian flags during a demonstration demanding the resignation of Yemeni President Ali Abdullah Saleh,in Sanaa, Yemen, Tuesday, March 1, 2011. Yemen's embattled president has accused the United States and Israel of trying to destabilize his country and the Arab world. (AP Photo/Muhammed Muheisen)
A child holds a Yemeni flag while held by his mother taking part in a demonstration demanding the resignation of Yemeni President Ali Abdullah Saleh, inSanaa, Yemen, Tuesday, March 1, 2011. Yemen's embattled president has accused the United States and Israel of trying to destabilize his country and the Arab world. Arabic on the banner reads: ' Break down the system'. (AP Photo/Muhammed Muheisen)
Anti-government protestors shout slogans and hold banners during a demonstration demanding the resignation of Yemeni President Ali Abdullah Saleh, in Sanaa,Yemen, Tuesday, March 1, 2011. Yemen's embattled president has accused the United States and Israel of trying to destabilize his country and the Arab world. Banners read: 'Jiddah, open your doors, the liar is coming', a protester carries a banner with a photo of a martyr, right and at center a protester holds a portrait of Yemeni President Ali Abdullah Saleh wearing the beard of an Imam. (AP Photo/Muhammed Muheisen)
Anti-government protestors shout slogans during a demonstration demanding the resignation of Yemeni President Ali Abdullah Saleh, in Sanaa, Yemen, Tuesday,March 1, 2011. Yemen's embattled president has accused the United States and Israel of trying to destabilize his country and the Arab world. (AP Photo/Muhammed Muheisen)