A Chinese watchdog has accused the U.S. of ramping up cyber-attacks over 2018, while a top U.S. official seems to be calling for more offensive operations. How does this affect relations between the two global powers, when they're already strained by the trade war?

Guests: Rick Dunham, Co-Director Global Business Journalism Program at Tsinghua University; Zhao Hai, a Research Fellow at the Chinese Academy of Social Sciences.

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