Dedication, tenacity and passion. Those are the key traits of the most experienced candidate in the District Attorney’s race, and the same traits that Assistant D.A. Tony Craighead pledges to bring to the top spot in that office if elected. Craighead, who has served as a prosecutor for more than 20 years, has tried jury cases in every county of the 13th Judicial District, including training almost every attorney on the existing staff.