IS it brinkmanship or something more? With the decade-old ceasefire along the LoC already in tatters, India appears determined to find new avenues of provocation against Pakistan. Over the weekend, first an Indian submarine attempted to intrude into Pakistani waters, according to official accounts, and then a small Indian surveillance drone was knocked down after it strayed across the LoC, again according to official statements. While each incident may individually seem small and both sides…