FILE - In this Oct. 1, 2014 file photo, Sen. Mark Begich, D-Alaska, left, and his Republican challenger, former state attorney general Dan Sullivan participate in a debate at a high school auditorium in Kodiak, Alaska. Scores of Alaskans have complained about receiving emails and letters to find their voting histories, and those of their acquaintances, sent by an elusive group calling itself the Alaska State Voter Program. (AP Photo/Nicolas Riccardi)