We know the GOP has been successfully pushing for voter ID laws in many states, addressing the nonexistent problem of in-person voter fraud while simultaneously addressing the real (for them) problem of Democrats voting at all. It's horrible, they're horrible, and if Obama loses in November, it's likely this tactic will have played a big part.
Jon Stewart puts it all together to make sure you're properly outraged. Required viewing.
"The mechanisms of the vote are in the hands of partisan elected officials. Perhaps it's time that we as a society took our cues from other highly democracies, and involved non-partisan election oversight, like they do in Mexico, Canada, India, and of course, Rwanda."