IDAHO FALLS – A woman in a green dress who died years ago allegedly haunts the Colonial Theater in downtown Idaho Falls. That’s the story from Kathy Nave. It’s one of many tales that are part of her Ghost Walk tour of buildings downtown that many believe to be haunted. A history book compiled for the Colonial Theater’s centennial in 2019 contains reports from tech crews working at the theater who claim to have heard moaning and eerie sounds. There are also reports of objects moving and lights flickering all by themselves. “One stage manager tells the story of turning off all the lights, lockin…