Surprisingly, just one step by NATO against the Taliban’s opium networks has not been enough.

From AFP: “Mullen said NATO-led forces have stepped up operations against drug networks after the alliance last year eased rules for targeting narcotics rings.
‘Recent rules of engagement have allowed us to go after labs, people
associated with labs,’ he told the Senate Foreign Relations Committee.
‘That’s a step in the right direction but until we are able to execute a
comprehensive agricultural strategy, it’s going to be very difficult to really have a strategic impact on that.'”