News Summary: US report highlights unease
UNEASE: China's biggest technology companies, eager to expand in the U.S., face an America anxious about threats to jobs and national security.
LATEST EVIDENCE: A U.S. report that says telecom equipment makers Huawei Technologies Inc. and ZTE Corp. are potential security threats that Americans should avoid doing business with.
CONFLICTS: For the U.S., China is both an important trading partner and a potential strategic rival. U.S. companies see China as both a crucial growth market and a source of competition and industrial spying.