“the democratic socialist wave cannot reach beyond urban centers” is very funny when Crowley won Milwaukee and Hong won Eau Claire, LaCrosse, Wausau, and the Fox Valley.
The first law of American politics is that pundits will draw sweeping conclusions from a single, narrowly decided result. A race decided by less than 0.5 percent of votes cast: had it gone the other direction, the headlines would be about the unstoppable force of progressive candidates.