I've got a post at Tapped that folks here -- particularly the pro- and anti-Edwards types -- might be interested in. As a general point, I tend to think that it's a really good thing to untether discussions of poverty from discussions of race as much as possible, though I can see how others would disagree. It's worth noting, though, that the plurality of those beneath the poverty line in this country are, indeed, white, as this graph shows:
While it's certainly true that rates of poverty are shockingly high in the African-American community, they do not, in fact, represent a majority, a plurality, or even a quarter of the impoverished. That "poverty" became a synonym from "Black' was a grave injustice, and has been a real obstacle to legislative progress on the issue.