dr. kessler, final point. it has to do with the issue of supply. pulled something of significance from your essay in "the times." i'll read it aloud. "we need to rethink how the federal government carries out this mission. the food and drug administration in approving new opioid drugs puts more opioids in the marketplace because these drugs meet the standards for safety and efficacy in treating certain forms of pain but the more opioids there are in the marketplace, the greater the opportunity there is for abuse." what should be done about that? >> well, we certainly need to be sure that there are only the amount of opioids that are necessary to treat acute pain, and cancer pain. so the fact is, more drug that is produced, the more -- the more drug that is in the marketplace, the more abuse there will be. it's not that it's perfectly linear, but that's the reality, and the dea has a responsibility to set production quotas, but it's the fda that's putting the drug, approving the drugs, so we need -- the white house is trying. good people are really