Dehradun, Nov. 8 -- Punjab Chief Minister Captain Amarinder Singh, like anybody who has endured the terrorism ridden years in his state, has expressed concern at the likelihood of Pakistan using the Kartarpur Sahib Corridor as another way of furthering the Khalistan cause. India's intelligence agencies are also of the same opinion. It may be pointed out that the only remaining supporters of the Khalistan delusion live in Pakistan under the ISI's patronage, or are associated with some Gurudwaras in the US, Canada, Britain, Australia and New Zealand. They are nurtured by intelligence agencies as what are generally described as 'useful idiots', who would help in any future conflict with India. Amarinder Singh's doubts have already been confirm...