KARACHI: PPP Chairman Bilawal Bhutto-Zardari on Wednesday criticised Prime Minister Shehbaz Sharif over the inordinate delay in the K-IV water project, saying he had expected the premier to demonstrate the same speed and efficiency in Karachi as he does in Lahore. Launched in the early 2000s to ease Karachi’s water woes, the K-IV project has faced repeated delays and cost …