Democratic candidates split over one of the biggest issues in the race to find a 2020 presidential nominee: whether or not to replace the U.S.'s system of largely private health insurance with government-run health-care known as Medicare for All.
Expanding a Medicare-like program to all Americans is popular with the party's progressive wing, including Senator Elizabeth Warren and Senator Bernie Sanders. But the questions candidates faced on Wednesday night, and the split among Democrats, reflected the mixed support voters give to the idea when they consider the details.
