Dive Deeper: Can Democrats actually replace Joe Biden as their presidential nominee?

As President Biden attempts to still reassure supporters he has what it takes to be commander-in-chief, Democrats are worried about having him at the top of the ticket in November.

Does precedent exist for replacing the nominee on the ticket? Is Joe Biden dropping out the only path to a new nominee? Who's at the top of the list to be the Democratic nominee in November?

Learn more as The Washington Times' Senior Political Reporter Susan Ferrechio discusses.