Trade negotiations with China “won't go on forever,” says Mick Mulvaney.

President is “not inclined” to give China more time, but would consider doing so if talks seem close to a “real deal.”

CFIUS will begin subjecting any foreign investment in a U.S. company to greater scrutiny.

U.S. Treasury Department unit at heart of trade war has seen a wave of staff exits.

Chinese officials threaten to retaliate against specific industries.

Trump blocks Qualcomm takeover by Singapore-based Broadcom on fears the U.S. company might not remain a market leader under foreign control.

“Our objective is not to create a trade war. Our objective is to make sure U.S. companies and workers are treated fairly.”

New U.S. national-security strategy portrays China as threat.