I'm guessing there is another category that is sort of affluent suburban, Reform or Conservative, not particularly "liberal", strongly pro-Israel but are totally turned off by the religious right and Rush Limbaugh and Sarah Palin types and vote Democratic not in spite of an alternative, but because of the alternative. Basically they'd call themselves "socially liberal, fiscally conservative" - may have voted for Reagan but swung heavily Democrat in 1992. Obviously this group overlaps most with the more "right-wing" elements of the "urban elite" category.
I think you're right to say that this is a general category, but I'd actually say that this category more or less fits under "Southern and Midwestern Jews" given the description in the article, and that the name "Southern and Midwestern Jews" was just a poor choice.
