In May 2015, Chinese president Xi Jinping, on his first visit to Pakistan, signed $28 billion worth of agreements as part of the proposed $46 billion China-Pakistan Economic Corridor. The ambitious project, which when complete would link China with two Pakistani ports, faces an array of challenges. But if completed as planned, it will help stimulate Pakistan's economic growth, including in its more impoverished western region. It would also further strengthen Chinese influence in the region and grant it an export corridor to the Arabian Sea....