With profits from this spring’s record opium crop fueling a broad Taliban offensive, Afghan authorities say they are considering a once unthinkable way to deal with the scourge: spraying poppy fields with herbicide. Afghans including President Hamid Karzai are deeply opposed to spraying the crop. After nearly three decades of war, Western science and assurances can do little to assuage their fears of chemicals being dropped from airplanes. Full Story