Senator-judges must exercise "political neutrality" during the course of Vice President Sara Duterte's upcoming impeachment trial.Thus, said House prosecution panel member Akbayan Party-list Rep. Chel Diokno, as he highlighted the importance of this cconstitutional task of the 24-member Senate.“Ang nakalagay sa ating impeachment rules ng Senado ay lahat ng mahistrado, mga senator-judge, kailangan mag-observe ng una, political neutrality (The imp…