Workers print out a presidential election campaign poster of Yemeni Vice President Hadi at a printing...
Workers print out a presidential election campaign poster of Yemeni Vice President Abd-Rabbu Mansour Hadi at a printing press in Sanaa February 16, 2012. Yemenis head to the polls on February 21 for an election in which Hadi is the sole candidate to take over from President Ali Abdullah Saleh and steer the country during a two-year transitional period. REUTERS/Ahmed Jadallah (YEMEN - Tags: POLITICS ELECTIONS)