By Randy KrehbielTulsa WorldA mass mailing intended to boost voter registration has instead confused many of the form letter's recipients, state election officials and the Tulsa nonprofit organization responsible say.OKVote, in a statement on its website, says it hired a direct mail company to identify Oklahomans who had recently moved and were not registered to vote.Those people — about 31,000 in all — received a preprinted voter registration form and a letter stating that, according to state election board records, they were not registered to vote at their current address.Read the full story on TulsaWorld.comRead more on NewsOK.com