The commerce secretary, Howard Lutnick, is involved in A.I. data center deals that overlap with work his family is doing. Our investigative reporter Eric Lipton describes what we know about these deals for massive data center projects, one of which includes a planned nuclear power plant to be named after President Trump.

Extreme heat causes cows to produce less milk. This poses problems in cheese-obsessed Italy, especially as it tries to meet growing demand for favorites like burrata.

President Trump will host Crown Prince Mohammed bin Salman, Saudi Arabia’s de facto ruler, who oversees a major construction project that is in talks with the Trump family business.