'Could see the emotion' on Biden's face during first official event with Harris since dropping out
President Biden and Vice President Harris held their first official event since Biden dropped out of the race. NBC News' Mike Memoli reports from Maryland on the emotion in the room during their speeches. Former special assistant to Biden Meghan Hays and former Senator Claire McCaskill join José Díaz-Balart to react to the event and to the drug price cut deal.