Security worries hobble ambitions of China tech giant Huawei

BEIJING (AP) — While a Huawei executive faces possible U.S. charges over trade with Iran, the Chinese tech giant’s ambition to be a leader in next-generation telecoms is colliding with security worries abroad.
Australia and New Zealand have barred Huawei Technologies Ltd. as a supplier for fifth-generation networks. They joined the United States and Taiwan, which limit use of technology from the biggest global supplier of network switching gear. This week, Japan’s cybersecurity