Images illustrating the Tunisian economy in the capital Tunis. Tunisians will vote Monday on a constitution that would give President Kais Saied almost unchecked powers, a key moment in his plan to overhaul the political system in the birthplace of the Arab Spring. The referendum takes place a year to the day after Saied sacked the government and suspended parliament in a decisive blow against the country's often chaotic young democracy. STOCKSHOTS