Not Knowing Is Not a Defense On the thirty-first day of a trial that was supposed to be about the Vice President, the Senate found itself examining her brother. Davao City Mayor Sebastian "Baste" Duterte took the stand under subpoena. By day's end, Presiding Officer Francis "Chiz" Escudero had declared him a hostile witness, ruling that the mayor holds an interest adverse to the prosecution's case. If the allegations of procurement irregularities are proven, Escudero reasoned, the mayor could face direct liability alongside his sister. A witness compelled to testify in an impeachment trial was found to have a personal stake in its outcome. That is not a procedural footnote. It shows how tightly the Duterte family's public offices and private interests appear to have been woven together, and how little our institutions did to keep them apart. What is established, and what is not Precision matters here, so let me be plain about the limits of w...