US President Donald Trump said a proposed summit with his Chinese counterpart Xi  Jinping will only happen if Beijing and Washington can reach a trade deal. Trump made the remarks at a press conference before he met visiting Chinese Vice-Premier Liu He, who arrived in Washington for the latest round of trade talks which got underway on April 3, 2019. Trump said the two sides will cover topics including tariffs and intellectual property theft, as well as an enforcement plan for a trade deal. …