Huntington Beach Assemblyman Tom Harman was clinging to a 289-vote lead over a fellow Republican on Wednesday in the race for an Orange County state Senate seat. Harman had 38.8% of the vote in unofficial results posted at 5 p.m. Dana Point Councilwoman Diane Harkey had 38.5%. Democrat Larry Caballero, the third candidate on the ballot, drew 22.7%. (snip) Hart said the campaign would ask for an official recount if the margin stayed as slim or narrowed with about 650 provisional ballots expected to be counted Friday. Provisional ballots are those cast by voters unsure whether they were registered or...