http://www.cnn.com/2004/EDUCATION/08....ap/index.html
Temporary addresses will likely be the biggest problem with collegiate voting. Voting absentee actually means that you have to think about voting before election day - for college students that are likely to wait until the last minute to write a 20 page paper, I don't see many of them taking the time to do what needs to be done to vote "back home".
Luckily, I only lived 35 miles from my school. Every year, I made the trip to vote in my hometown. Professors were very willing to allow missed classes for this... until they asked how I voted
