 Costas again ran for Mayor in 2003 and won with approximately 56% of the vote, ending Butterfield's 20-year tenure.Every Republican on the city ballot won election, the first Republican sweep in at least 33 years, and no Democrat has held citywide office since.Costas carried the endorsements of the city's firefighters and police, Building Trades Council, AFL-CIO, and Operating Engineers, who historically support Democratic candidates.