Louisville to see patients in the morning. united ceo calls the event upsetting and apologizing "our team is moving with a sense of urgency to work with the authorities and conduct our own detailed review of what happened. we are also reaching out to the passenger to talk directly to him in further address and resolve the situation." tonight we begin a weeklong series looking at the opioid epidemic, a serious issue around the country. the cdc says each day 91 people die from overdoses. 91. senior correspondent rick leventhal tells us where we are right now in the surprising way this country go...