In private discussions hours before China announced new retaliatory tariffs, the Trump administration warned Chinese officials against such a move, according to a source familiar with the discussions. The Chinese were also told – once again – that Chinese President Xi Jinping should request a call with US President Donald Trump. Instead, US officials woke up to news of increased Chinese tariffs and no request for a leader level call. Xi also made comments that only dug him in further. “For over 70 years, China’s development has relied on self-reliance and hard work — never on handouts from others, and...