The Philippine Senate, sitting as an impeachment court, lowered the number of votes needed to convict Vice President Sara Duterte, reducing the threshold prosecutors must clear to secure a guilty verdict ↧ Philippine Senate lowers threshold for conviction in VP Duterte's ... The Philippine Senate, sitting as an impeachment court, on Wednesday lowered the ​number of votes needed to convict Vice President Sara Duterte, ‌reducing the threshold prosecutors must clear to secure a guilty verdict.