He who sees first, and says so, wins. Remember, Trump anticipated Rust Belt rage over NAFTA. Clinton didn't. Now to 2017 or perhaps 2018: Trump will probably face a forced exit sooner rather than later. Pushing for Trump's impeachment now would position Democrats as forward-looking thinkers who had it right before anyone else. Moral authority matters.
Oh, and if you don't do it, the Republicans will steal the moral high ground by doing it themselves. Ryan 2020!
Co-opt the nascent left-wing Tea Party movement. Sanders-Warrenites are flooding Republican town hall meetings the way the O.G. Tea Party of the right did eight years ago to Democrats. Hey, DNC: those kickass activists can freelance, perhaps setting the stage for a left-right split of the party. That is, unless you do what the GOP did when they faced their version of a populist insurrection. Let them inside. Let them lead.
Republicans let their Tea Party take over the party; now the party controls the government. Democrats should do the same.
Remember Newt Gingrich's "Contract with America" for a "Republican Revolution"? Lay out a "Democratic Revolution" platform that explains to Americans what you stand for. Right now, most voters know that Democrats don't like Trump, but not what Democrats are for. But remember Hillary's lame $12/hour minimum wage, at a time when big cities already had $15? Don't bother unless those platform planks go big. You might not get the $25/hour you ask for -- but you'll get people talking and thinking.
Right now, the only thing anyone's talking and thinking about is the orange monster in the White House.
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