In an early move, Democrat Jerry Brown launched a television advertising campaign Thursday in the race for California attorney general, using a trio of commercials to attack Republican foe Chuck Poochigian as too extreme for the state. The ads, part of a weeklong $300,000 buy on cable TV systems throughout the state, according to Brown's campaign, comes as the California GOP airs a feisty radio ad that ridicules Brown as "flaky" and too liberal to serve as the state's top law officer. Brown, mayor of Oakland and a former California governor, hits Poochigian, a state senator from Fresno, in his...