File photo of the impeachment trial proceedings at the Senate. INQUIRER PHOTO / NIÑO JESUS ORBETA The threshold of 16 votes for convicting Vice President Sara Duterte may be lowered to reflect

Escudero finds legal justification from a Supreme Court ruling that upheld the constitutionality of the Visiting Forces Agreement between the Philippines and the US

File photo of the impeachment trial proceedings at the Senate. INQUIRER PHOTO / NIÑO JESUS ORBETA The threshold of 16 votes for convicting Vice President Sara Duterte may be…