More generally, there is reason to think these voters are likelier to vote for a Democrat against a more traditional Republican who hasn’t developed a message to match Mr. Trump’s appeal to white working-class Democrats. These voters, for instance, tend to support abortion rights and same-sex marriage. They support a higher minimum wage.
All considered, it does seem likely that at least a portion of the Obama-Trump vote can be lured back to the Democrats — especially against traditional Republican candidates who emphasize small government, free markets and social conservatism.
Whether that means it should be the crux of the Democrats’ path to power is another question. But it will most likely be a part of it, and will probably need to be for Democrats to secure parts of the Rust Belt that continue to play an outsize role in American elections.