MANILA, Philippines — The Senate impeachment court on Thursday vowed to decide Vice President Sara Duterte’s fate based on "law and admissible evidence," not public opinion, as a new survey found that 32 percent of Filipinos remain undecided on the outcome of her impeachment trial.Impeachment court spokesman Regie Tongol said the latest Social Weather Stations (SWS) survey reflected strong public interest in the proceedings but stressed that sen…