Chinese President Xi Jinping joked about spying as he gifted South Korea's President Lee Jae Myung a pair of Xiaomi smartphones. Andrew Chang explains how the seemingly lighthearted exchange could also be interpreted as a subtle warning. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/