China said Saturday it had rejected a shipment of pistachios from the United States because it contained ants, the latest indication the government may be retaliating as Chinese products are turned back from overseas because of safety concerns. The state television report, which showed inspectors wearing face masks and sealing the shipping container that held the pistachios, indicated an increasing push to show that other countries also have food safety issues. On Friday, Chinese food safety watchdog announced that shipments of health supplements and raisins from the U.S. had been returned or destroyed because they did not meet quality control standards. Full Story