TAEK AMARA TUNISIA’S leading Islamist party has moved to ease the country's political crisis, calling for dialogue and urging supporters not to protest after accusing President Kais Saied of launching a coup. Tunisia faced its worst political crisis in a decade of democracy after Saied, backed by the army, sacked the prime minister and froze parliament on Sunday, sparking concern in Western capitals that have praised its transition from autocracy since the Arab Spring uprisings of 2011. Influential civil society groups, including the powerful labour union, warned Saied not to extend extraordinary measures he announced on Sunday beyond a month…