Interviews with nearly three dozen lawmakers, aides and consultants reveal a growing acknowledgment that the party’s campaign arm made several key strategic errors: it underestimated Donald Trump’s popularity, relied too much on polls and failed to heed the warnings of its most vulnerable members…

“There were ads being run all over the country about socialism and about the Green New Deal and in some parts of the country that didn’t help,” Rep. Emanuel Cleaver (D-Mo.) said in an interview. “I think it would be irresponsible for a person in our family — in the Democratic Caucus family — who is concerned about it not to mention it.”

Others were more blunt: “From my standpoint, as a moderate Democrat … it’s crystal clear we need a different message than what we’ve been having,” added Rep. Kurt Schrader (Ore.).