I don't think the Democrats need a silver bullet.
Liberals tend to romanticize the past, past leaders' failures.
American democracy faces a massive challenge. I don't think it is a certainty that we're headed toward Putin's Russia, as some commentariat does. But people need to mobilize and build up small-d democratic institutions to prepare against that eventuality.
Everything on Twitter is true.
Liberals will only support you after you're gone.
The story of the Republican Party is of a far-right that has moved from the fringes of the party to a complete domination of the party. The moderate, mainstream and pragmatic leaders of the party have been pushed out or died off.