MELAKA, Aug 14 — Parti Keadilan Rakyat (PKR) has not set a timeframe for deputy president Nurul Izzah Anwar’s leave from party duties as she plans to pursue further studies.PKR secretary-general Senator Datuk Dr Fuziah Salleh said the party was prepared to welcome Nurul Izzah back to her duties when she was ready to resume her responsibilities.“The deputy president will go on leave after the party’s National Congress.“Just for this three-day eve…