A Sanders candidacy would make 2020 a referendum on the future, not a referendum on Trump

One thing that immediately struck me in Lauren Gambino's excellent analysis of the Democratic nomination campaigns in The Guardian: a quote from GOP never-Trump political consultant Rick Wilson, who counseled Democrats not to select Bernie Sanders and make the election about actual policies, "Democrats have two choices: make this a referendum on Donald Trump or lose. That’s it. There are no other options." Read the rest