President Donald Trump has arrived for the G7, or Group of Seven, summit in Canada, a country he's suggested should be annexed, as he wages a trade war with America’s longstanding allies.If there's a shared mission at this year’s G7 summit,

Japanese Prime Minister Shigeru Ishiba pushed back against Trump's agenda of levying higher tariffs on imported goods, arguing it would hurt economic growth. The Japanese leader specifically called Trump ahead of the summit to confirm their plans to talk on the sidelines, which is a greater focus for Japan than the summit itself.