Heroin use down

I heard on the Today Programme that heroin use is down. This is partly due apparently to the poppy fields of Afghanistan not producing so much. The crop spraying has been a failure. In fact, the whole Afghan adventure is a disaster. The Taliban is not our enemy as such. However, the drug barons are. If the two are mixed up together then both are against us. But I suspect the powers-that-be are not that bothered about it all. If they were they would have destroyed those poppy fields years ago.