Ahmed Rashid is the author of five books on Afghanistan, Pakistan and Central Asia. His latest book is ''Pakistan on the Brink.'' He is the author of ... the best-seller ''Taliban''.
The crisis in Afghanistan is deepening and President Ashraf Ghani needs to engage the Taliban.
Or, how Russia got a warm-water port without firing a shot.
The danger is that further fragmentation could be formalised by minority groups calling for a referendum worldwide.
Neighbouring states are questioning China’s ability to treat its Uighur population fairly and halt terrorism.