On immigration, the administration has sought to block asylum seekers at legal ports of entry along the border, prompting them to try to find alternative pathways into the country. ...

On trade, Trump’s tariff war with China has harmed U.S. farmers as Beijing slashed agricultural imports. Although the president has signaled that a trade deal is close, analysts said an accord would not fundamentally alter the U.S. trade relationship with the world’s second-largest economy.

And on North Korea, officials have said, the president’s decision to rush forward with bilateral summits with Kim have led to difficulties for U.S. negotiators engaging with their counterparts over technical and complicated nuclear matters, as Kim has preferred to deal directly with Trump.