The story of Germany's SDU is relevant to everyone these days, even though it sounds strange to hear people still talking about "workers" as they still do in Europe - as if it were some permanent condition of serfhood. One quote from the piece at Boston Review:
...social democracy may have settled the issues of industrial society, but it did so just in time for industrial society to give way to a globalized economy, one with its own complicated and pernicious effects on labor and social equality: immigration, fluctuating employment levels, and offshore outsourcing, to name a few.
Like the American Dems, political organizations like the SDU are fighting the last war.