As the sheriff of Lincoln County, W.Va., Jerry Bowman is sworn to uphold the law. But the 58-year-old law enforcement veteran stood in a federal courtroom in Charleston on Wednesday and pleaded guilty in a shocking voter fraud case that has stripped him of his job and could send him to prison for a decade. Prosecutors say Bowman and former Lincoln County Clerk Donald Whitten, 62, were part of a scheme to steal the May 2010 Democratic primary by stuffing ballot boxes with illegal absentee ballots. Bowman admitted to falsifying more than 100 of the absentee ballot applications and even...