fentanyl. a synthetic opioid. president biden's new drug czar, no relation to me, told me we need to strongly employ harm use reduction, making drug use safer. >> they'll say look, you're enabling drug use. that's the provocation. >> as an evidence-based physician that has spent his career dealing with science and moving data around, we just do not have that evidence. >> tonight for the first time in almost 20 years, there's a new drug just approved to treat people in the early phases of al siemz ers. >> the first new drug approved to treat the disease since 2003. now, according to the fda, the drug can reduce the signature tangles and plaques that block the neural pathways in people