Some of the challenges are self-inflicted, but a fresh set of court rulings questioning the president’s authority to enact tariffs hangs over his trade agenda.

China has pushed back against President Trump’s accusation that it broke a trade truce reached weeks earlier, as a re-escalation of tensions dims hopes of a resolution. Beijing has acted responsibly and upheld the consensus reached at the economic and trade talks in Geneva,

President Donald Trump has said he will soon speak to Chinese President Xi Jinping over the renewed trade conflict.