Exit polls...are what they are...a sampling of some people who have just voted. There's no requirement that they be accurate in saying who they voted for and there's no uniformity on how these polls are conducted. They were and still remain a reference, not a stone cold indicator of how a vote will go.
Voter Caging...and profiling...Yes, very big problems but those are before the vote, they have no direct effect on a final count. Yes, rushpublicans are conducting a systemic campaign to disenfranchise as many Democratic voters as they can and that's a battle that needs to be fought in the courts as well as finding ways around those laws to better organize and register voters. This year I've seen a big drop off on efforts by Democrats to register new voters.
I spent years as a poll watcher and also covering elections as a member of the "media" (yuk...slimy) at various board of elections. There's plenty of games that are played and ways for someone's whose determined to job the system. It was no different with electronic voting as it was with old-fashioned punch cards or push-lever machines...it was and still is up to the poll judges to oversee the entire system and if there are glitches (like what you say you saw) a judge better be there to spot it. If they're not shame on the party and/or candidate. Beyond that it goes to whose counting the vote and, again, working to elect Democrats to count those votes goes a long way in easing the "faud" claims...at least on this side of the fence. Amazing how few people who yelled fraud in Ohio in '04 said it may have happened in Obama's favor in '08. Again...voting has and will always be an inexact science...especially as we have so many different rules that govern how voting is done...but using machines as an excuse for a poor campaign is not going to change a thing...electing people you trust to election boards will.
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