for a new mayor.right now - amy nielsen holds that title - but she won an open seat for the iowa house on tuesday night. night.the johnson county auditor tells cbs 2 news - she must resign before heading to council will either appoint a new mayor - or residents can petition to hold a special election. in marion - there's good news for your corridor commute. commute.the roundabout at seventh avenue and seventh street opens today.city leaders plan to hold a grand opening ceremony at four this afternoon.they tell cbs 2 news - it's part of a long-term plan to ease congestion between sixth and seventh avenues. in cedar rapids - residents got a chance to voice their opinions on plans to revamp mount vernon road. meeting at all saints school - was the third and final public forum.city leaders asked residents to ?give their input on ?designs and other opportunities for the area near 10-th street south east and 44th street south east.the city hopes to adopt a ?final plan before the end of...