SACRAMENTO — Fresh from a season of cooperation with Democratic lawmakers, Gov. Arnold Schwarzenegger moved Wednesday to appease members of his own party by signing a series of GOP-sponsored bills and vetoing a measure that would have banned homophobic comments from school textbooks and curricula. Since the legislative session ended last week, Schwarzenegger has acted on bills of interest to key parts of the state's Republican coalition: veterans, businesses and social conservatives. On Wednesday, he signed six GOP-sponsored bills, four aimed at helping veterans and two designed to keep children farther away from registered sex offenders. Schwarzenegger also vetoed a...