4 things to look out for at the G-7 summit

President Joe Biden arrived in Hiroshima, Japan, on Thursday for the G-7 summit, where he’ll meet with fellow leaders from some of the wealthiest nations in the world. Leaders from each of the seven countries — Canada, France, Germany, Italy, Japan, the U.K. and the U.S. — are planning to attend the summit, which runs through Sunday.

The location — one of the two Japanese cities where the U.S. detonated an atomic bomb in 1945, killing hundreds of thousands — is no accident. It’s the hometown of Japanese Prime Minister...