A Sunni sniper takes aim during clashes that erupted between supporters and opponents of the Syrian government, in the northern port city of Tripoli, Lebanon, May 24, 2013. The conflict has rippled across the Middle East, sending more than 2 million refugees spilling across Syria’s borders, stoking Sunni-Shiite tensions to levels unseen in years and rattling the very foundations of the region’s nation states. The most fragile of those is Lebanon, which is still recovering from its own bloody 15-year civil war and has long been seen as no more than a nudge away from tumbling back into full-blown confessional conflict. Bilal Hussein/AP
Bahraini antigovernment protesters wave national flags during a march in Karrana, Bahrain, just west of the capital of Manama, on October 25, 2013. A few thousand people participated in the march organized by opposition societies, calling for democracy and for the Gulf kingdom's long-serving prime minister to step down. Hasan Jamali/AP
General view of the opening session of the third Africa-Arab Summit held in Kuwait on November 19, 2013. The two-day summit is the first since the 2011 Arab Spring uprisings. It comes amid unrest in Egypt and Libya and anti-terrorism efforts following the September mall attack in Nairobi by Somalia militants. Gustavo Ferrari/AP
Antigovernment protesters aim laser beams toward riot police during clashes after the Ashura procession in the village of Sanabis west of Manama, Bahrain, November 15, 2013. Hundreds of antigovernment protesters, after finishing their Ashura procession, marched towards riot police and clashes, throwing molotov cocktails and strobes to which riot police responded with tear gas, bird-shots and stun-grenades to disperse them. Hamad I Mohammed/Reuters
A Tunisian protester wearing a badge depicting the image of former Iraqi leader Saddam Hussein, during a demonstration calling for the departure of the Islamist-led ruling coalition at Kasbah Square where the government headquarters are located, in Tunis, Tunisia, November 15, 2013 . Anis Mili/Reuters
A Lebanese woman who lost her relative, weeps as she walks past damaged vehicles a day after two explosions struck near the Iranian embassy, in Beirut, Lebanon, November 20, 2013. Twin suicide bombings struck outside the Iranian Embassy in the Lebanese capital, killing nearly two dozen, including the Iranian cultural attaché, and wounding dozens more in one of the worst bombings to target the predominantly Shiite area in southern Beirut. The double bombing pulled Lebanon further into the neighboring Syrian conflict that has torn apart the deeply divided country. Hussein Malla/AP
Lebanese police sent reinforcements to the Saudi Embassy following calls on social media by Hezbollah supporters to hold a sit-in in front of the embassy in Beirut, Lebanon, November 21, 2013. Saudi Arabia urged its citizens to leave Lebanon and exercise caution following this week's deadly bombing at the Iranian Embassy and deepening tensions with Lebanon's Hezbollah militants. Bilal Hussein/AP
An unidentified Bahraini girl stands near paint spattered to represent blood at an interactive museum-style exhibition opened by an opposition group in Manama, Bahrain, October 28, 2013. Riot police in Bahrain stormed the exhibition on October 30, that is dedicated to the Arab Spring-inspired uprising in the violence-wracked Gulf nation where crackdowns have strained ties between the ruling dynasty and their allies in Washington and elsewhere in the West. Hasan Jamali/AP
A Libyan army soldier standing next to an antiaircraft truck guards during the handover of the Nawaseen military compound, which was the headquarters of Libyan militias, in Souk al-Juma district, Tripoli, Libya, November 21, 2013. Militias from a string of Libyan cities left Tripoli on Thursday. The withdrawal is a triumph for the residents of Tripoli, who on November 15 held a mass protest against the militias, which have fueled lawlessness nationwide since the 2011 fall of longtime dictator Moammar Gadhafi. Manu Brabo/AP
Supporters of the ultra conservative Islamic Salafi movement march to denounce shelling by Houthi Shiites in Damaj, Saada province, during a demonstration in Sanaa, Yemen, November 16, 2013. The Arabic phrase in green of the banner at the bottom reads, 'Yemeni people are demanding the government to do its duty to protect citizens, and to exercise state sovereignty in the province of Saada and the trial of militia leaders and Houthi group for their crimes against Yemen, on its land, people and government.' Many other banners show protesters' support for people in Damaj and place blame for the attack. Hani Mohammed/AP
A protester holds a portrait of a woman whom according to him, was killed last week during a rally against former militia fighters, in Tripoli, November 22, 2013. Rival Libyan militias surrendered their bases to the army and retreated from Tripoli in face of popular anger against their refusal to disarm. The poster reads in Arabic, 'Martyr Aisha.' Ahmed Jadallah/Reuters
A Tunisian supporter of the 'Hizb Tahrir' Islamic party raises his arms during a rally in Tunis, Tunisia, November 8, 2013. Demonstrators demand to include the Islamic law in Tunisia's future constitution. Aimen Zine/AP
Men waiting to be hired for their labor, sit along a main street in Sanaa, November 3, 2013. A third of Yemen's 25 million people live under the poverty line of $2 a day and unemployment is estimated at about 35 percent, with youth joblessness at 60 percent. A United Nations (U.N.) report released in January revealed the extent of the country's poverty, saying that 10.5 million of Yemen's 24 million people lacked sufficient food supplies, and 13 million had no access to safe water and basic sanitation. Mohamed al-Sayaghi/Reuters
Saudi Arabia may send home about 200,000 Yemeni guest workers, adding to the pool of unemployed men, a potential target for militant recruiters.
ByAdam Baron, Correspondent
Yemen is poised to lose millions of dollars in remittances while reabsorbing up to 200,000 newly unemployed workers as a result of Saudi Arabia's decision to expel tens of thousands of Yemeni guest workers.