(KSDK) - St. Louis radio personality Paul Arca was injured Saturday afternoon when the KLOU-FM van he was riding in came into contact with overhead power lines outside the Embassy Suites Hotel in St. Charles. It happened after a remote broadcast from the Greater St. Louis Golf Show at the St. Charles Convention Center after someone failed to lower the broadcast mast on top of the van before driving off. Sources tell NewsChannel 5 a 22-year-old woman who works in promotions for parent company Clear Channel Communications was driving the van. The van was destroyed by fire. Officials at St....