Donald Trump refuses to call China's president instead sends him a letter, despite phone calling 18 World leaders

U.S President Donald Trump has decided to further heighten tensions with China, the world's second largest economy after snubbing  China's leader Xi Jinping by not giving him an official phone call weeks after his inauguration, sending him a letter instead, despite calling over 18 World leaders.   Donald Trump has spoken to Theresa May, Francois Hollande, Vladmir Putin, Angela Merkel and