If you are very confidant, check out blackboxvoting.org
According to the presenter, 3%-5% of optically scanned voting sheets are counted wrong. To this cynic, this number seems plausible--constitutionally terrifying, but plausible.
Voting is what separates a democracy from a dictatorship. Constitutionally mandated privacy and accuracy affect e-voting software development in fascinating ways.
Good to know: according to the presenter, the most important legal litmus test for vote-counting accuracy is whether the vote was counted as the voted intended. This is different from whatever the machine thought the voter wanted, which is what it actually does count.
This presentation had a narrative (see Valerie's post for more on that), the data was inviting, and the conclusions were incisive.
"Those who say it can't be done are often interrupted by people who are doing it"