CQ Politics’ Presidential Candidate Profile: Joseph R. Biden Jr. By Roll Call Staff Posted October 29, 2007 at 12:00am Facebook Twitter Email Reddit International Focus Almost Sidelined by Tragedy 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