President Trump upended two days of global economic diplomacy late Saturday, refusing to sign a joint statement with America’s allies, threatening to escalate his trade war on the country’s neighbors and deriding Canada’s prime minister as “very dishonest and weak.”
In a remarkable pair of acrimony-laced tweets from aboard Air Force One as he flew away from the Group of 7 summit toward a meeting with North Korea’s leader, Mr. Trump lashed out at Justin Trudeau. He accused the prime minister, who hosted the seven-nation gathering, of making false statements.
Literally moments after Mr. Trudeau’s government proudly released the joint