Los Angeles Superior Court judge ruled Tuesday that key job protections for teachers in California are unconstitutional, in a major loss for unions.. The verdict represents a complete victory by attorneys who argued that state laws governing teacher layoffs, tenure and dismissals harm students by making them more likely to suffer from grossly ineffective instruction. If the preliminary ruling becomes final and is upheld, the effect will be sweeping across California and possibly the nation. Ruling "The law was on our side and the evidence was overwhelming,” said Marcellus McRae, an attorney for the plaintiffs. "Whatever happens, we can’t go...