The upcoming Hangzhou G20 summit is an important opportunity for European leaders.

The summit failed to endorse coordinated action, but did make progress on trade and tax.

"The Ise-Shima Summit is an ideal opportunity for the G7 to advance international engagement for health-related SDGs."

The coming G7 summit in Ise-Shima is an opportunity to overcome international antagonism and isolationism.

Japan will need to be careful not to let Obama's visit overshadow the G7 Summit.

Both domestic and international audiences will be watching the visit for an apology.

Prime Minister Shinzo Abe hopes to send a message with the choice of location.