Mohsen Rezaei, Iran’s new security chief, last month in Tehran. Though hostilities have largely ceased, the United States and Iran are locked in an economic standoff.
Canada suspended trade negotiations, triggering President Trump’s 50 percent tariffs on a range of Canadian goods. Mark Carney retaliated “dollar for dollar.”
President Javier Milei of Argentina, left, with Flávio Bolsonaro, who hopes to be Brazil’s next president, last month. Mr. Milei’s strident support of Mr. Bolsonaro’s candidacy led to a rift with the current Brazilian president.