Tom Schaller notes:
In 1952, according to calculations performed by Emory University political scientist Alan Abramowitz for Salon, white males were nearly half the American electorate. Thanks to the recent growth in the Latino population, however, the white male share is now dropping about a percentage point a year, accelerating a decline that began with the increased enfranchisement of African-Americans in the civil rights era. In next year's election, white males may account for fewer than one out of three voters. Bubba is no longer a kingmaker.
"Bubba" being Steve Jarding and Mudcat Saunders' term for the white working-class, who they think can join with black Southerners to create a Democratic majority in the region (Schaller's, um, somewhat skeptical and also kind of hates Mudcat). Also interestingly, Schaller discusses John Edwards not as a Southern candidate, but rather as a regionally and racially non-specific one:
At first blush, Edwards, the Southern populist nonpareil, seems ideally situated to corner the market on working-class, white male voters. But aside from his homegrown accent, Edwards displays none of the affectations or semiotics that might once have signaled his intent to woo them. There are no Lamar Alexander-style flannel shirts; there is no sponsorship, à la Florida Sen. Bob Graham four years ago, of a NASCAR racing team. Instead, Edwards -- whose father worked in a textile mill -- hammers the issue of economic justice largely, if not completely, without overt cultural appeals. If he were a character from Southern literature, the former trial lawyer would be Atticus Finch of "To Kill a Mockingbird," not Henry Drummond of "Inherit the Wind."
Did I mention I'm writing my undergraduate thesis on this sort of thing? I'm a little obsessed with the topic, and Schaller makes two interesting points here. First, of course, is the fact that the portion of the electorate made up of white males is declining -- convenient for liberals, because white males are, for example, the only group of young people not heavily favoring the Democratic Party at the moment. Older white males are even more Republican -- except, of course, for white male union members, who Schaller aptly notes continue to vote Democratic, although not quite overwhelmingly. A more diverse electorate means more Democratic votes, and Democrats would be smart to pay attention to changing demographics.
The Edwards thing I'm less certain about. Edwards is making a regional appeal. That Southern accent is one a person can lose (I should know), and while it's true Edwards' main focus is on economic justice defined rather generally, it's clear it comes from his experience seeing particularly Southern poverty (rural poverty in particular). Atticus Finch is still a Southern archetype, even if it's a less offensive one than Henry Drummond.