SIMI VALLEY, Calif. Dozens of anti-illegal immigration activists faced off against immigrant-rights backers at a rally outside a church where an illegal immigrant is being sheltered with her U.S.-born infant son. One immigrant-rights advocate was injured with a chemical spray during Sunday's confrontation at the United Church of Christ, officials said. Members of the anti-illegal immigration group Save Our State, which organized the rally that drew about 120 protesters and counter-protesters, said they had hoped to make a citizen's arrest of the woman, who has identified herself only as Liliana. Liliana is living in the church's former parsonage as part...