Sanders is one of the most popular politicians in the US, and his political analysis and messaging remain as relevant and compelling as ever. But while his Tour to Fight Oligarchy is inspiring and important, the broad left badly needs a political vision that goes beyond Sanders.
Republicans were at -3 pre 2016 and they’ve ratcheting up to -10 pretty quickly. If you have a good charismatic leader that the base falls for you can drag the rest of the party along to the edges of the Overton window pretty quickly.