Why the U.S. can't abandon Afghanistan - Foreign Policy

Moreover, it was Washington's earlier shortsighted policies -- first in supporting violent extremist groups, and then in abandoning the country -- which contributed to the destruction of the Afghan state and the immense suffering of the Afghan people. But the West's moral and legal responsibility to Afghanistan extends back even farther, to the corrosive Cold War rivalries of the 20th century and the so-called Great Game a century earlier.  Why the US Can't Abandon Afghanistan - MORADIAN
Talking to the Taliban - by Michael Semple