LAHORE: PPP Chairman Bilawal Bhutto Zardari has described the passage of the 26th Constitutional Amendment as historic during a meeting with Prime Minister Shehbaz Sharif on Saturday. Bilawal Bhutto Zardari was accompanied by former Prime Minister Raja Pervaiz Ashraf and Punjab Governor Sardar Saleem Haider while Prime Minister’s advisor Rana Sanaullah and National Assembly Speaker Sardar Ayaz Sadiq were also …