At an economic summit of world leaders in Canada Monday, President Trump weighed in on the Israel-Iran conflict, telling reporters Iran would "like to talk, but they should have done that before."He told reporters as he met with Group of Seven summit host Prime Minister Mark Carney that Iran has "to make a deal.

If there is a shared mission at this year’s G7 summit, which begins Monday in Canada’s Rocky Mountains, it is a desire to minimize any fireworks at a moment of combustible tensions.

Japan, the European Union, Canada and Mexico all hope that face time with Trump will help them persuade the president to lower at least some of his most onerous tariffs in exchange for a range of conc...