LAHORE – Railways Minister Ghulam Ahmed Bilour has said that he thinks Prime Minister Syed Yousaf Raza Gilani will not write a letter to Swiss court for reopening of the cases against President Asif Ali Zardari. Talking to the reporters here on Thursday, Bilour said that the PM was a man of principal and would not go against his party’s co-chairman. “Though the SC has again directed the PM to write letter, Gilani is not looking to go against his party chief.”