ISLAMABAD: Incarcerated Pakistan Tehreek-e-Insaf (PTI) founder Imran Khan has written a letter to Chief Justice of Pakistan (CJP) Qazi Faez Isa, drawing his attention to seven issues that “glaringly call for prompt intervention”, ARY News reported on Saturday. In his letter, the incarcerated PTI founder called upon the chief justice to take notice of NAB’s clean chit to former premier Nawaz Sharif in Toshakhana case; Bahawalnagar incident; seek …