The powers that choose to play the Great Game on the border between Pakistan and Afghanistan have never prospered. Despite the courage of generals and the brains of political agents, their best-laid plans – whether British in the 19th century, Russian in the 20th, or American in the 21st – have generally ended in disaster and retreat. Now it seems that China – which has long treated Pakistan as its client and proxy in a push for a defining regional role, most recently through the Belt and Road I