In a new INSIDER poll, around 30% of Democratic respondents said the party could lose the 2020 presidential race.
What concerns them?
They are worried the Democratic nominee will "fail to recruit Republican supporters."
29% who said they feared the Democratic nominee would fail "to turn out the base."
Democrats are worried about the party becoming too moderate or too progressive.
The results reflect the ideological divide among Democrats over the best way to defeat President Trump.