Philippine President Ferdinand Marcos Jr. unveiled a diplomatic masterstroke at Independence Day celebrations last Friday — reframing the South China Sea not as a territorial grab but as a shared vulnerability for all of ASEAN. By invoking the bloc's Maritime Leaders' Declaration signed at the Cebu summit in May, Marcos is sidestepping the sovereignty deadlock that has paralysed ASEAN consensus for years. The clever bit: by emphasising undersea cables, fisheries, and...