Jon Queally, staff writer
Amid warnings within progressive circles that the "moderate Democrat" remains a serious obstacle to the kind of transformative change many rank-and-file party members and voters in general say they want, new reporting by Axios on Saturday shows that it might be the centrists who are getting cold feet as they register just how hungry the electorate has become for policy solutions like Medicare for All, the Green New Deal, tuition-free higher education, and taxation that targets the nation's wealthiest.