Caretaker premier row also simmering The Constitutional Court has set Sept 30 for its ruling on a dispute regarding when suspended prime minister Prayut Chan-o-cha’s eight-year tenure as premier began and ends. Judges on Wednesday convened to consider a petition asking it to rule on Gen Prayut’s eight-year tenure. The petition was signed by 171 MPs from the opposition bloc and forwarded to the court by the Secretariat of the House of Representatives. The judges decided the case involves legal issues and evidence and witnesses are sufficient for the court to hand down a ruling, a source said. O…