GOP Opens Ad Campaign for House By DAVID ESPO .c The Associated Press WASHINGTON (AP) - With an image of President Bush for openers, House Republicans began airing television commercials Friday in the heart of Texas, the leading edge of a multimillion-dollar ad campaign to protect the GOP's majority. Airing on stations in Waco, Texas, the commercial is designed to help Republican challenger Ramsey Farley in his second uphill attempt to unseat veteran Rep. Chet Edwards. Beyond details of the ad, though, GOP officials said the 30-second commercial marked a new phase in their battle to hold control of the...