Senior leader of Pakistan Muslim League-Nawaz (PML-N) Khawaja Saad Rafique has accused Pakistan Tehreek-e-Insaf (PTI) chief Imran Khan of misleading the nation regarding 20th constitutional amendments. Talking to journalists here, Saad Rafique said that Khan even did not know about what the 20th amendment was. He said that PML-N supported the amendment in the best national interests.