'Truth, fairness': Ex-CJ Panganiban questions fixed impeachment math

Retired Chief Justice Artemio Panganiban stepped into the Senate impeachment court on September 16, 2026, not as a partisan voice but as an amicus curiae—a friend of the court—raising a fundamental question about the mechanics of impeachment voting. He warned that the constitutional requirement of “two‑thirds of all the members of the Senate” should not be reduced to a rigid arithmetic formula of 16 votes out of 24, but rather interpreted through the lenses of truth, fairness and common sense. His remarks reverberated through the session hall, prompting lawmakers and citizens alike to reconsider how the nation’s highest political accountability process should be conducted.

Understanding the “two‑thirds” provision

Panganiban reminded the Senate that the Constitution speaks of “two‑thirds of all the members of the Senate,” a phrase that, in the abstract, translates to 16 of the 24 sitting senators. Yet he cautioned that this numerical conversion is merely a starting point, not an immutable rule. By invoking “common sense” and the principles of “truth and fairness,” he urged his fellow senators to look beyond the literal count and consider the spirit of the constitutional safeguard designed to prevent hasty or politically motivated convictions.

The former chief justice emphasized that senators sit not as ordinary jurists but as elected representatives wielding a constitutional power that is both legal and political. In his view, the Senate’s role in an impeachment trial is a hybrid function—part judicial, part legislative—requiring a balance that pure arithmetic cannot capture. This perspective aligns with the broader debate among the four retired justices serving as amici curiae, who collectively argue that the voting threshold must reflect the realities of participation and qualification.

By framing the two‑thirds rule as a flexible guideline rather than a fixed number, Panganiban opened the floor to a discussion about the legitimacy of votes cast by senators who may not have been physically present, or who might lack direct exposure to the evidence presented. His stance suggests that the Senate’s decision‑making should be anchored in substantive engagement with the case, not merely in meeting a numeric quota.

The importance of active participation

Central to Panganiban’s argument is the notion that meaningful adjudication demands active participation. He noted that determining truth in an impeachment trial requires more than reading documents; it involves hearing witnesses, observing body language, tone of voice and the spontaneity of testimony. Such sensory cues, he argued, are essential for a fair assessment of guilt or innocence.

The retired chief justice also highlighted the disparity between senators “sweating it out” inside the session hall and those who might be abroad, in hospitals, or otherwise absent. He painted vivid images of absent members “sightseeing by the Nile, shopping in Paris, riding gondolas in Venice,” underscoring the disconnect between physical presence and informed judgment. This contrast serves as a reminder that the gravity of an impeachment—potentially removing a vice president—calls for every vote to be grounded in firsthand experience of the proceedings.

By stressing the need for personal observation, Panganiban reinforced the democratic principle that elected officials must earn the trust of their constituents through diligent, informed action. In a country where barangay meetings and community consultations are hallmarks of participatory governance, his appeal resonates with the everyday Filipino expectation that leaders should be present and accountable when critical decisions are made.

Who should be allowed to vote?

Panganiban raised a provocative question: should senators who have not participated in the impeachment hearings be permitted to cast a vote on the verdict? He argued that those who have not examined the documents, heard the testimony, or observed the witnesses lack the substantive basis required for a fair judgment. This stance challenges the conventional practice of counting every senator’s vote regardless of attendance.

He did not prescribe a specific alternative number to replace the 16‑vote threshold, but his emphasis on “meaningful adjudication” suggests that any vote cast by an absent senator might be viewed as lacking legitimacy. This perspective aligns with the written memorandum of retired Chief Justice Hilario Davide Jr., who also advocated for basing the two‑thirds requirement on senators who are legally and physically qualified to vote, rather than on the full Senate roster.

The debate touches on a broader issue of representation: if a senator is detained, ill, or abroad, does their absence diminish the democratic weight of their constituency’s voice? Panganiban’s remarks invite the Senate to consider mechanisms—such as proxy voting or temporary replacements—that could preserve both the integrity of the process and the principle of representation.

Limits on judicial review

Another cornerstone of Panganiban’s presentation was the delineation of the Supreme Court’s role in impeachment cases. He clarified that the Constitution provides no direct avenue for appealing a Senate judgment to the high court. The Supreme Court may intervene only when the Senate commits a “grave abuse of discretion,” such as a capricious, whimsical or arbitrary exercise of judgment that amounts to a lack or excess of jurisdiction.

This narrow window for judicial review underscores the Senate’s autonomy in impeachment trials. According to Panganiban, the high court cannot step in merely because it disagrees with the Senate’s wisdom or political calculus. This principle reinforces the separation of powers, ensuring that the Senate’s constitutional function as the sole impeachment tribunal remains insulated from routine judicial scrutiny.

For ordinary Filipinos, this means that the outcome of the impeachment trial rests squarely on the shoulders of their elected senators. The safeguard against judicial overreach also places a heavier burden on the Senate to conduct a transparent, fair process—something Panganiban repeatedly emphasized throughout his testimony.

Historical and cultural context

The debate over voting thresholds and participation echoes the Philippines’ long tradition of communal decision‑making, from barangay assemblies to the practice of bayanihan. Just as neighbors gather to discuss local concerns, the Senate convenes to deliberate matters of national consequence. Panganiban’s call for “truth and fairness” mirrors the cultural value placed on honesty and equitable treatment in Filipino society.

Moreover, his reference to the ancient Greek statesman Themistocles—“Strike me as you may, but hear me first”—connects the modern impeachment trial to a timeless principle of due process. By invoking this historical wisdom, Panganiban situates the Philippines within a global lineage of democratic norms, while reminding his fellow senators that the legitimacy of their verdict hinges on hearing all sides before rendering judgment.

In a nation where political dynasties and partisan loyalties often dominate discourse, the appeal to common sense and fairness serves as a moral compass. It invites both lawmakers and citizens to reflect on the deeper purpose of impeachment: to protect the republic from abuse of power, not to settle political scores.

Implications for Vice President Sara Duterte

The immediate stakes of Panganiban’s arguments revolve around the impeachment of Vice President Sara Duterte. While the former chief justice did not declare a specific alternative vote count, his insistence that only senators who have actively participated should decide the verdict could reshape the dynamics of the trial. If absent senators are excluded from the tally, the effective number needed for conviction could shift, potentially altering the trajectory of the case.

For the vice president’s supporters, this line of reasoning offers a strategic avenue to contest any attempt to secure a conviction through the votes of absent senators. Conversely, the opposition may view the emphasis on participation as a call to ensure that all senators are present and engaged, thereby strengthening the credibility of any eventual verdict.

Beyond the numbers, Panganiban’s focus on truth, fairness and the Senate’s final authority underscores the political weight of the impeachment. The outcome will not only affect the vice president’s political future but also set a precedent for how future impeachment trials are conducted, influencing the balance of power among the executive, legislative and judicial branches.

Looking ahead: the Senate’s next steps

As the Senate deliberates the impeachment case, Panganiban’s testimony adds a layer of complexity to the procedural calculus. Senators must now grapple with the question of whether to count the votes of absent members or to adopt a more restrictive approach that aligns with the retired justices’ recommendations. This decision will likely be debated in closed committee meetings before any formal motion is presented on the floor.

The broader public, watching from sari‑sari stores and online forums, will be attentive to how the Senate balances constitutional fidelity with practical fairness. The outcome will test the resilience of Philippine democratic institutions and the willingness of elected officials to prioritize truth over political expediency.

In the weeks ahead, the Senate’s handling of the voting threshold will serve as a litmus test for the nation’s commitment to due process. Whether the chamber embraces Panganiban’s call for “common sense” and active participation, or adheres to a strict numerical interpretation, will shape public trust in the impeachment mechanism and, ultimately, in the health of the country’s democratic fabric.

This article was produced with AI-assisted research and editorial support. Reporting is based on the source material cited below. Sources: Philstar.com; Global1.News (16 September 2026).

By Bella Reyes, Staff Writer