Also why the focus on the poor. Plenty of the working class are not poor. Plenty of the middle classes (using the narrowest of definitions) are no better off than the prosperous part of the working class. And it is the whole working class, and a large sector of the middle classes for whom things are getting worse.
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I agree. And see articles on the "aristocracy of labor" by Charles Post in ATC. (A longer version of the first appeared in Historical Materialism.)
Higher-pay sectors of the working class have led most struggles.
Carrol