I've yet to see a credible instance of vote machine "malfunction" favoring Democrats covered by a reputable source, but if you have any links I'd be interested as it's certainly possible.
>Voter fraud is far more common than alleged insidious voting machine malfunctions.
Due to the nature of electric voting without a paper trail, there's no way to make this assertion as contemporary electronic voting can't be audited.
>Those machines are checked by reps of both parties and under heavy, continual scrutiny.
Not quite.
See: http://techcrunch.com/2012/11/06/experimental-software-discr...
Electronic voting in its current form is a remarkably bad idea. It invites corruption as a scale that requires much more resources than traditional analog voting fraud.