…Without doubt, the Peshawar school attack is a defining moment. Pakistan cannot afford to carry on as before. Perhaps, Prime Minister Nawaz Sharif could be given the benefit of doubt when he insists that Pakistan will no more differentiate between ‘good’ and ‘bad’ Taliban. In immediate terms, Sharif’s handling of the Indian demand for continued detention of Zaki-ur-Rehman Lakhvi, operations commander of the Lashkar-e-Taiba who was a key operative in masterminding the Mumbai terrorist strike in November 2008, becomes a test case…