Pakistan’s Inter Services Intelligence directorate is using terrorist brinkmanship to threaten India and undermine Nawaz Sharif. It’s time to stop this dangerous game. Just when you thought the world was dangerous enough, another crisis between nuclear-weapons-armed India and Pakistan is brewing, and now al Qaeda is adding fuel to the fire by calling for jihad in the subcontinent. Tensions have been growing all summer long, even though, ironically, things began on a positive high note: in June, newly elected Prime Minister Narendra Modi, who swept into power on a landslide, invited his Pakistan counterpart, Prime Minister Nawaz Sharif, to his...