This, I think, will be of concern in the next few years.

...

In July, Richard C. Holbrooke, the Obama administration's special representative for Afghanistan and Pakistan, said the Taliban was reaping the bulk of its revenue from donors abroad, especially from the Persian Gulf.

Other U.S. officials have noted that the Taliban received substantial financial help from Gulf countries during the 1990s, when Saudi Arabia and the United Arab Emirates -- along with Pakistan -- were the only nations that gave diplomatic recognition to the Taliban government ...