I don't mean to come across as a cynic, but you omitted some very important information.
Here's what you didn't quote:
You painted a picture of an Afghanistan where a resurgent opium trade somehow demonstrates a failure of the Bush administration. Within the same article you quoted, however, is information (above) that suggests the opium trade is the lesser of two evils. You also said that the funneling of drug money to al Qaida and the Taliban "raises questions" about the War on Terror. Again, there is a sentence from the same article that contradicts alarmist rhetoric about the Taliban: