Michigan’s senior U.S. senator is concerned about what President Trump will do at this weekend’s G7 Summit.
The Group of Seven, or G7, includes the United States, Germany, Japan, Britain, France, Canada and Italy.
President Donald Trump and other leaders of the world's most industrialized nations will open their annual G7 summit in France by discussing the global economy.
Economists say global economic growth has slowed, amid fears that a recession may be on the horizon. But President Trump insists the U.S. economy is strong.