MANILA, Philippines — Vice President Sara Duterte appeared at a loss when asked about her comment on the controversial Pax Silica initiative that President Ferdinand Marcos Jr. mentioned in his State of the Nation Address (SONA) on Monday.Duterte did not attend Marcos’ SONA, calling it a “waste of time.”Mobbed by the media at The Hague, Netherlands where she visited her father, the former president Rodrigo Duterte, at the International Criminal …