Whether you believe voter fraud is a huge problem or just a minor annoyance, there's no way you can argue that it doesn't happen. Virtually every recent election has been marred by reports of people voting under fake names, voting multiple times, or casting fraudulent ballots. Supporters of Voter ID laws have long argued that there's a simple way to stop most of these problems from occurring: require a photo ID from each registered voter in order to cast a ballot.