sentences:  Preckwinkle was re-elected as 4th Ward Democratic committeeman on March 19, 1996, running unopposed on the ballot after her successful challenges to the nominating petitions of Charles S. Williams and her 1995 and 1999 aldermanic challenger Kwame Raoul.They were each a few dozen signatures short of the number required to earn a place on the ballot.Preckwinkle was re-elected, again running unopposed on the ballot, as 4th Ward Democratic committeeman in March 2000, March 2004, and February 2008.