Monday’s opening of the Philippines’ Congress has been thrown into chaos by a Supreme Court ruling that effectively killed the long-awaited impeachment trial of Vice-President Sara Duterte-Carpio.The Supreme Court’s decision, delivered late on Friday, quashed the Senate’s long-delayed trial on a technicality, ruling that the impeachment violated the constitutional “one-year rule” against multiple proceedings within a year for the same official.The fallout has cast a pall over what would...