While lacking sufficient numbers on their own, the re-energized liberal opposition can serve as a swing vote in vital legislative debates as well as the contentious issues involving the Dutertes, most notably the trial of the vice-president as well as the potential arrest of Duterte-aligned senators by the ICC. https://asia.nikkei.com/Opinion/The-rise-of-a-progressive-third-force-in-Philippine-politics | Richard Heydarian