Many pundits believe that Barack Obama could get a much needed boost with working class white voters by selecting Jim Webb as his running mate. But American University political scientist Brian Schaffner produces an interesting graph comparing how the Virginia Senator performed compared to other Senate candidates among various key demographic groups in 2006. His analysis reveals Webb did well in rural areas, but it also finds some weakness among women. Moreover, by winning the same share of white men as other Democratic Senate candidates, Webb does not seem particularly well positioned for the VP choice–at least using these metrics. Schaffner explains it this way: