Miltablishment betrayed Shahbaz Sharif and had him sidelined in the PMLN. Now it will be accused of betraying Asif Zardari and sidelining him in the PDM. Therefore, under the circumstances, the anti-Miltablishment “narrative” of Nawaz Sharif and Maulana Fazal ur Rahman is poised to re-emerge stronger than ever before, writes Najam Sethi