United States Trade Representative Robert Lighthizer (C) gestures as he chats with Chinese Vice Premier Liu He (R) as US Treasury Secretary Steven Mnuchin (L) looks on after posing for a "family photo" at the Xijiao Conference Centre in Shanghai on July 31, 2019. - Chinese and US negotiators held talks in Shanghai on July 31 in a bid to bring an end to a year-long trade war, with the meeting overshadowed by a Twitter tirade from President Donald Trump. (Photo by Ng Han Guan / POOL / AFP) (Photo credit should read NG HAN GUAN/AFP/Getty Images)
