The U.S.-China trade truce in Geneva earlier this month hinged on Beijing agreeing to resume crucial mineral exports. Now China is slow-walking the concession, and the pact is in jeopardy.

Global auto executives are sounding the alarm on an impending shortage of rare-earth magnets from China – used in everything from windshield-wiper motors to anti-lock braking sensors – that could force the closure of car factories within weeks.

But a U.S. official told Reuters that it appears China was moving slowly on promises to issue export licenses for rare earths minerals. The deal called for China to lift trade countermeasures that restrict its exports of the critical metals needed for U.S. semiconductor, electronics and defense production.

A former CIA station chief says that China's spy operation is targeting U.S. military service members with hopes of gaining access to sensitive information.

U.S. auto executives are sounding the alarm on an impending shortage of rare-earth magnets from China – used in everything from windshield-wiper motors to anti-lock braking sensors – that could force the closure of car factories within weeks.

The Trump administration plans to broaden restrictions on China’s tech sector with new regulations to capture subsidiaries of companies under US curbs.

Beijing said the decision to “aggressively” revoke Chinese student visas would “damage the image and reputation of the U.S.”

As China signals a shift away from U.S. pop culture, there are signs it's embracing South Korea's booming K-pop industry after years of unofficially banning it. NBC News' Janis Mackey Frayer explains how the music could also be a bargaining chip in global politics.