Iowa By Roll Call Staff Posted August 18, 2008 at 12:00am Facebook Twitter Email Reddit See Other Stories in CQ Politics’ Series of Election Forecasts The Top Five Senate Vulerables, Revisited and Revised Senate Races to Watch House Races to Watch Poll Tacker: Latest State-by-State General Election Match-Ups Round-up of the Latest Senate Race Polls Recent Stories Capitol Lens | O’s face Mayorkas impeachment headed to Senate for April 11 trial Muslim American appeals court nominee loses Democratic support At the Races: Lieberman lookback Court says South Carolina can use current congressional map Joseph Lieberman: A Capitol life in photos