Imagine that it is Tuesday, November 4, 2008, and you realize that you have not yet voted for the candidate that you want to be President of the United States. The polls close at 7 p.m., and it is already 6:45 p.m. Instead of rushing off to the nearest polling place, you simply go to your computer, log in, fill out a ballot, and email your ballot to your designated polling website. The whole process takes fewer than ten minutes, and you have done your civic duty. Leading proponents of Internet voting point to five possible benefits of electronic voting: (1) increasing voter participation; (2) lowering the cost of participation for certain special populations, for example, disabled persons, minority groups, and frequent travelers; (3) at...