Speaking of the war on terrorism meeting the war on drugs...

Wired: How Safe Are Your Illegal Drugs?
Politicos have warned that dirt-cheap, high-potency heroin will soon flood world markets and cause an epidemic of overdoses in the wake of the Taliban evacuating opium supplies before the first bombs hit Afghani soil. But this is just the tip of the iceberg.

Because the drugs are illegal, health officials are not authorized to monitor the purity of such substances -- not just heroin, but marijuana and ecstasy and other illicit drugs.