Emmy award-winning journalist Deborah Gianoulis, a fixture on Jacksonville television as an evening news anchor for almost 25 years, announced Tuesday that she was running as a Democrat against Sen. John Thrasher of Jacksonville, chairman of the Republican Party of Florida. Thrasher’s district stretches from Nassau County, through Jacksonville and Duval County, and includes parts of St. Johns and Flagler counties before ending in Volusia County.