DELTA — A registered sex offender is running for the Delta County Board of Education. Delta Police Department spokesman Bill Sowell confirmed that school board candidate Dale Haag is registered as a sex offender with his department because of a 1987 conviction in Orange City, Iowa. Sowell said he did not know the nature of Haag’s conviction for sexual assault except that it occurred in Sioux County, Iowa. Sioux County Sheriff Dan Altena was not available for comment Tuesday afternoon. Having a previous conviction for a sex assault doesn’t prevent a person from running for the school board, Delta County...