You and I know the pressure on the Democrats to be more "moderate" in order to attract voters who are not progressive/liberal. The fact is that progressive ideas if presented with evidence and clarity, and with empathy for the values of conservatives and independents, are accepted by the majority of folks in the USA at large. Click on the links below for support for this claim:

How Progressives Can Recapture Seven Deeply Held American Values

Here are 7 'Radical' ideas (almost) all Americans can get behind

For progressives: In red states, make it about policy, not party