The Democratic Party has spent most of the past decade deciding to lose.

Or so argues a new report from Welcome PAC, an organization that backs center-left candidates, so as to build “a big-tent Democratic Party.”

It is no secret that the Democrats are in a sorry state. They’ve lost to an exceptionally unpopular Republican presidential nominee twice in the last nine years. They have long odds of regaining control of the Senate next year and aren’t even certain to retake the House of Representatives. They’re historically unpopular, having lost ground with much of the party’s traditional base — including voters who are working class, people of color, young, or all of the above.

To determine how this happened, Welcome’s Simon Bazelon conducted six months of polling with nearly half a milli

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