More than 200 people gathered to listen to gubernatorial Democratic candidate Rob Sand. T-R PHOTOS BY KIERA BRADSTREAM Iowa Democratic gubernatorial candidate Rob Sand talks to voters inside Dejardin Hall at Marshalltown Community College on Thursday. More than 200 people gathered to listen to gubernatorial Democratic candidate Rob Sand. T-R PHOTOS BY KIERA BRADSTREAM Iowa Democratic gubernatorial candidate Rob Sand talks to voters inside Dejardin Hall at Marshalltown Community College on Thursday. According to Sand, people would be able to see if data centers are not following laws.