As China and the U.S. agreed on a "phase one trade deal", will there be more breakthroughs in the trade war? Boris Johnson got an early UK Christmas present; how will he get Brexit done in one month? And in Silicon Valley, more Indian-origin CEOs are running global technology giants, what's the difference in Indian education? Meanwhile, a Chinese vlogger Li Ziqi has taken the world by storm and caused controversy. Are her videos a kind of "cultural export"?