SACRAMENTO (AP) - Attorneys representing Gov. Arnold Schwarzenegger and some of his closest political allies are putting up an aggressive challenge to stop a consumer group from helping to defend a state limit on campaign contributions. The California Public Interest Research Group, CalPIRG, has filed a request in Sacramento Superior Court to intervene in support of a state rule that limits how much money donors can give to a candidate-controlled committee. With a hearing on the issue set for Friday, attorneys representing the governor and the Citizens to Save California, a political action committee organized by Schwarzenegger supporters, have filed...