MARION — If voters in Iowa Senate District 18 were hoping to hear anything new from the candidates, they were likely disappointed when Democrat Liz Mathis and Republican Cindy Golding provided a rare joint appearance at local school Wednesday night. The debate, organized and jointly hosted by KCRG-TV and The Gazette, was an opportunity for side-by-side comparisons of the candidates — something that hasn’t been freely available during this whirlwind special election to replace Democrat Swati Dandekar who vacated the seat in order to accept a gubernatorial appointment to the Iowa Utilities Board. Liz Mathis Mathis, a former TV news anchor who currently works with a nonprofit agency that advocates for child welfare and co-owns a business with her husband, pressed hard for education reforms, noting that quality education was a key to economic prosperity.