Small and informal groupings are becoming the diplomatic vehicles of choice in a polarized world, writes Charles A. Kupchan.

Canada is hosting the major global meeting with President Trump and other world leaders. Here’s what to expect.

With unquestioning faith in his own negotiating abilities, Trump appears convinced that he can control the international political environment, make America great in his image, and end wars.

President Donald Trump joins the G7 summit in Canada as trade wars escalate, allies push back, and tensions rise over tariffs ...

The Economist briefly posted a now pulled story alleging that Washington and Ottawa are close to a pact giving the US first ...

As a result, leaders of NATO countries meeting later this month in The Hague almost certainly will agree to boost their ...

It is fair to say that the global tab for addressing the world’s acute humanitarian or ecological needs pales in comparison ...

As a result, U.S. defense contractors face diminished prospects in Europe and supercharged European competitors in export markets. European companies should demonstrate a new level of confidence at Le ...

Canada, under pressure to spend more on its military, vowed on Monday to boost funding for the armed forces and hit NATO's 2% ...

Prime Minister Mark Carney promised to hit the alliance’s 2 percent spending threshold this year, seven years ahead of a ...