The campaign for Republican gubernatorial candidate David Williams began airing its first television ad Tuesday in the general election race.The 30-second spot features the state Senate president talking directly to voters about his father, Lewis Williams, a former Cumberland County clerk and telling them why he's running for governor.Check it out:The ad is running in Paducah, Bowling Green, Louisville, Lexington, and Northern Kentucky markets. Williams is running with Agriculture Commissioner Richie Farmer.