Philippine Vice-President Sara Duterte-Carpio was impeached for the second time by the House of Representatives on Monday, but her immediate Senate trial was thrown into uncertainty after a surprise leadership coup in the upper chamber. Analysts told This Week in Asia that the “razor-thin” majority of Alan Peter Cayetano – the newly installed Senate president and a long-time Duterte ally – could set off another Senate coup and even reinstate Vicente Sotto III, the ousted Senate leader who had...