KARACHI: Chairman Pakistan Peoples Party (PPP) Bilawal Bhutto Zardari has expressed optimism that a consensus will be reached on the constitutional amendment, which he believes will be in the best interest of the country. He acknowledged Jamiat Ulema-e-Islam (F) chief Maulana Fazlur Rahman’s agreement with the proposed amendments by the PPP, noting that whenever successful constitution-making has occurred in the