This news article may be the tip of the iceberg of a major scandal:

People registering to vote are having their voter registration forms torn up by paid political partisans. The allegations come from former employees of Voters Outreach of America, and the "company has been largely funded by the Republican National Committee," according to the Associated Press. This means that provisional ballots may play a critical role in the November election.

http://www.veteransforcommonsense.org/NewsArticle.cfm?ID=2208