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.

US President Donald Trump and Chinese President Xi Jinping are likely to speak this week, the White House said, as the world’s two largest economies remain locked in trade turmoil.

A logjam in the trade talks between the United States and China could be broken once Presidents Donald Trump and Xi Jinping speak, US officials said Sunday -- a conversation

President Donald Trump boasted of the United States’s stockpile of weapons while warning that Iran would not be allowed to enrich uranium, a major sticking point in negotiations. Iranian nuclear negotiations appear to be losing momentum,

An Axios report revealed the United States will allow Iran to continue limited uranium enrichement under certain conditions as part of its nuclear deal with the country.

President Donald Trump on Monday appeared to undercut a proposal that was offered by his special envoy to Iran, saying he will insist that Tehran fully dismantle its nuclear enrichment program as part of any deal to ease crushing sanctions.