US-China ties on an upswing as Trump plans trip
The often difficult relations between the world's greatest powers, China and the United States, appear to be improving again as the pair work to resolve the North Korea nuclear stand-off.Washington, and in particular US President Donald Trump, have until very recently been critical of Beijing's cautious approach to its belligerent and nuclear-armed neighbour.But, with a new round of UN-backed sanctions in place, the mood has improved, and US Secretary of State Rex Tillerson set off