Here's how two tweets and an insult spoil G-7 unity in Canada

While end-of-summit statements aren't usually world-changers, Trump's move was highly unusual, a sign of aggression toward a host

Just when it seemed like the Group of Seven summit had come to a surprisingly uneventful end, President Donald Trump stepped in with two tweets that blew up the whole thing.

The leaders of some of the world's largest economies had worked late into the night to craft a final message from their meeting in Quebec, finding a careful balance between their concerns and Trump's, particularly on trade. Late Saturday afternoon, Prime Minister Justin Trudeau formally announced that all seven leaders had agreed to the final communique and then took questions about his interactions with Trump. All of his answers tracked