Democrats have an identity crisis - it won't be an easy fix

"There is a lot of appetite for, at the very least, more transparency, more understanding of why healthcare costs are so high," said Dann. " Take a bad step, break your leg, and a huge swathe of Americans would see their worlds turned upside down by that because of the healthcare system as it is."

Several Democratic candidates this election cycle have outlined ideas to lower "out-of-pocket" costs for those who already have health insurance - being hit with additional costs on top of regular insurance payments is a common feature of the American healthcare system. But there's another flank of the party that is fed up with incremental changes and wants a national healthcare system that is free at the point of use - Medicare for All.