During a private phone call in June, President Donald Trump promised Chinese President Xi Jinping that the US would remain quiet on pro-democracy protests in Hong Kong while trade talks continued, two sources familiar with the call tell CNN. The remarkable pledge to the Chinese leader is a dramatic departure from decades of US support for human rights in China and shows just how eager Trump is to strike a deal with Beijing as the trade war weighs on the US economy. And like other calls with the leaders of Ukraine, Russia and Saudi Arabia, records of Trump's call with...