Both Hilary Clinton and Bernie Sanders need to officially bow out of 2020 now

The evidence is that the Sanders supporters who voted for Trump were people who were never going to vote for Clinton anyway (they weren’t democrats). Sanders appealed to some on the other side. When Sanders was gone they went back to whoever the conservative candidate was or voted third party.

Current polling suggests Trump would lose to Sanders or Biden or Oprah.

Polling* showed that Trump lost vs Hillary.
*

They are all we have to go on for now.

Besides, Trump was three points behind in the polls on election day. The poll above shows a much larger gap (nine to seventeen points).