Hamas chief Khaled Meshaal (2nd R), with senior Hamas leaders, gestures to the crowd during a rally marking the 25th anniversary of the founding of Hamas, in Gaza City

 
Hamas chief Khaled Meshaal (2nd R), with senior Hamas leaders, gestures to the crowd during a rally marking the 25th anniversary of the founding of Hamas, in Gaza City
Hamas chief Khaled Meshaal (2nd R), with senior Hamas leaders, gestures to the crowd during a rally marking the 25th anniversary of the founding of Hamas, in Gaza City December 8, 2012. After receiving a hero's welcome on his return from decades in exile, Hamas leader Khaled Meshaal will attend a rally in Gaza on Saturday to mark the founding of his Islamist group and celebrate "victory" over Israel. REUTERS/Mohammed Salem