• President Trump will address world leaders and business elites in Davos, Switzerland, later today, possibly making good on his promise to “tell the world how great America is and is doing.”

On the sidelines, Mr. Trump has been in diplomatic overdrive. He worked to mend relations with Britain, saying he and Prime Minister Theresa May were “on the same wavelength,” despite reports of strains.

And with the Israeli prime minister, Benjamin Netanyahu, at his side, Mr. Trump excoriated the Palestinians, threatening to cut off aid unless they “sit down and negotiate peace.”