Fully-veiled Yemeni women show the colours of the national flag on their forefingers during an election rally in support of the sole presidential candidate Abdrabuh Mansur Hadi in Sanaa on February 20, 2012. Based on a Gulf-brokered plan signed in November by outgoing President Ali Abdullah Saleh, Hadi will be the sole consensus candidate, after which he will lead a two-year-long transition period.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni women hold portraits of the sole presidential candidate Abdrabuh Mansur Hadi during an election rally in his support in Sanaa on February 20, 2012 on the even of the presidential election. Based on a Gulf-brokered plan signed in November by outgoing President Ali Abdullah Saleh, Hadi will be the sole consensus candidate, after which he will lead a two-year-long transition period.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni policeman stand guard in front of posters of the sole presidential candidate Abdrabuh Mansur Hadi during an election rally in his support in Sanaa on February 20, 2012 on the even of the presidential election. Based on a Gulf-brokered plan signed in November by outgoing President Ali Abdullah Saleh, Hadi will be the sole consensus candidate, after which he will lead a two-year-long transition period.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni men attend a rally in support of the sole presidential candidate Abdrabuh Mansur Hadi (portrait) in Sanaa on February 20, 2012 on the eve of the presidential election. Based on a Gulf-brokered plan signed in November by outgoing President Ali Abdullah Saleh, Hadi will be the sole consensus candidate, after which he will lead a two-year-long transition period.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni soldiers man a checkpoint in the southern port city of Aden on February 20, 2012 on the eve of the presidential election. Based on a Gulf-brokered plan signed in November by outgoing President Ali Abdullah Saleh, Hadi will be the sole consensus candidate, after which he will lead a two-year-long transition period. AFP PHOTO/STR
- [-/AFP/Getty Images]

Yemen's Vice President and sole candidate for the presidential election, Abdrabuh Mansur Hadi, waves to photographers as he arrives at a polling station to cast his vote in Sanaa on February 21, 2011. Voters queued to cast ballots in a poll that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni men show their identity cards as they line-up outside a polling station to cast their votes in the presidential election in Sanaa on February 21, 2011 that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni men line-up outside a polling station to cast their votes in the presidential election in Sanaa on February 21, 2012 that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni women register their names at a polling station to cast their votes in the presidential election in Sanaa on February 21, 2012 that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemeni women line-up outside a polling station to cast their vote in the presidential election in Sanaa on February 21, 2012 that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

A Yemeni woman registers her name at a polling station in Sanaa on February 21, 2012 as the country votes in the presidential election that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

A Yemeni woman shows her ink-stained thumb after casting her ballot at a polling station in Sanaa on February 21, 2012 as the country votes in the presidential election that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

A Yemeni man shows his ink-stained thumb after he voted in Sanaa on February 21, 2012 as the country votes in the presidential election that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [MOHAMMED HUWAIS/AFP/Getty Images]

Yemen's Vice President and the sole presidential candidate, Abdrabuh Mansur Hadi (L), casts his ballot at a polling station in Sanaa on February 21, 2012 as the country votes in the presidential election that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement. AFP PHOTO/STR
- [-/AFP/Getty Images]

The Arab world's first female Nobel peace laureate, Tawakkul Karman, flashes the V for "victory sign and shows her ink-stained thumb after casting her vote outside a polling station in Sanaa on February 21, 2012 as the country votes in the presidential election that brings an end to President Ali Abdullah Saleh's 33-year hardline rule in Yemen, the first Arab state where a revolt ended in a negotiated settlement.
- [GAMAL NOMAN/AFP/Getty Images]