In a midterm election year when angry voters are turning on Democrats and turning out at Tea Party protests, California Republicans are talking up volatile issues that have historically resonated in hard times, including getting tough on environmental regulations and undocumented immigrants and their children. California Insurance Commissioner Steve Poizner, who is challenging front-runner Meg Whitman for his party's gubernatorial nomination, was the most vivid example of the lengths to which candidates will stretch to win the party's right flank. He called for an end to all taxpayer-funded services to undocumented immigrants, including denying their children public education and health...