TOLEDO, Ohio — A Republican state lawmaker won a special congressional election Tuesday, hanging onto to a conservative district despite a strong push by Democrats. Union-backed groups and Democrats were hoping to steal the seat from the GOP and make a big statement going into the 2008 election in Ohio, which is expected to again have a significant role in determining the next president. Republican Bob Latta defeated Robin Weirauch to complete the term of U.S. Rep. Paul Gillmor who died in September from a fall at his Washington apartment. Latta, the son of a former Ohio congressman, had 55...