Polling in swing districts support progressive policies

According to this article citing Lake Research Partners:

"Our new Lake Research Partners poll 1 of voters in 30 targeted swing districts finds that progressive
Democrats have a tremendous opportunity in the 2018 election to win these districts, and they can run and win on progressive policies. We found that in these districts, mostly held by Republican incumbents, voters enthusiastically support progressive policies and progressive messaging works, both to persuade swing voters and to mobilize the base."

See the link for more specific details. Therefore Democrats, openly and loudly embrace the progressive agenda since it's what people want. And skip that Repugnantan light, middle of the road corporate bullshit the people hate.