PakistanSiachen pull-out can’t be unilateral: President ZardariMirza HassanApril 20, 2012April 21, 2012 by Mirza HassanApril 20, 2012April 21, 2012 Islamabad: Pakistan President Asif Ali Zardari has said that Pakistan cannot pull-out its forces from Siachen unilaterally....