TOTALLY UNFAIR(But who cares. . .)Obama versus Romney: a sociological analysishttp://talkingpointsmemo.com/archives/2012/04/what_does_it_mean_1.phpWe know that President Obama is heavily reliant this year — even more than in 2008 — on sub-$200 donors, something that is especially anomalous for a sitting president. And close election watchers know that Mitt Romney is extremely dependent on a