I'm sure you've all seen headlines like this: CNN Poll: More see Trump win likely as Biden leads crowded Democratic field

But have you checked the poll in detail?

29. I'm going to read a list of people who may be running in the Democratic primaries for president in 2020. After I read all the names, please tell me which of those candidates you would be most likely to support for the Democratic nomination for president in 2020, or if you would support someone else.
Base: Respondents who are Democrats/Democratic-leaning independents

                                                         Total <$50K $50K+
                                                         == == ===
Former Vice President Joe Biden       33%   N/A     34%
Vermont Senator Bernie Sanders       13%   N/A      11%