Yemen's former president Ali Abdullah Saleh, who stepped down after 33-years at the helm, addresses a ceremony at the presidential palace, formally handing power to his deputy, and now president Abdrabuh Mansur Hadi (L) in the Yemeni capital Sanaa, on February 27, 2012. AFP PHOTO/ MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)