To win on social issues, the Left has to develop the cultural competence to connect progressive goals with working-class priorities. The gay marriage fight offers a formula for appealing to ordinary Americans’ values without giving up on social progress.
The poor are one of those marginalized groups. Democrats have already abandoned them, and are now saying that they need to abandon other marginalized groups and then focus on class.
Of course, they’ll get as far as abandoning marginalized groups and forget the rest.