Good question JGeoff...but I guess it would be chaos if too many 'Last-minute-Annies' waited until day before election day to register. And you KNOW there are plenty who would!!

Anyway, each State has its own particular deadline...check on link below.

http://www.fec.gov/votregis/state_voter_reg_deadlines02.htm

Apple

A wise and frugal government, which shall leave men free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor the bread it has earned - this is the sum of good government.

- THOMAS JEFFERSON