Eric Levitz at Vox takes a look at the continuing loss of working class white voters and the analysis shows that unions haven’t turned out to be the great fix everyone thought they would be: The rightward drift of America’s working class disconcerted progressives, who generated a variety of ideas for reversing it. But one of their primary prescriptions could be summarized in a single word: unions. After all, the erosion of Democrats’ working-class support had coincided with the collapse of organized labor in the United States. There were many reasons to think the latter had caused the former. Thus, to prevent Democrats’ working-class support from diminishing further, the thinking went, the party needed to deliver for existing trade unions, whose demands Bill Clinton and Barack Obama had sometimes defied. Meanwhile, to lay the seeds for a broader realignment of working-class voters, Democrats needed to make it easier for workers to organize by reforming federal labor laws. The Biden administration appears to have embraced this analysis. In his presidency’s first major piece of legislation, Biden bailed out the Teamsters’ pension funds, effectively transferring $36 billion to 350,000 of the union’s members. The president also appointed a staunchly pro-union federal labor board, encouraged union organizing at Amazon, walked a picket line with the United Auto Workers, and aligned Democratic trade and education policy with the AFL-CIO’s preferences. And although he failed to enact major changes to federal labor regulations, that was not for want of trying. In the estimation of labor historian Erik Loomis, Biden has been the most pro-union president since Franklin Delano Roosevelt. But the political return on Democrats’ investment in organized…