After a year, the killing of Abe has left Japan with important problems.

On Saturday, it had been a year since former Japanese Prime Minister Shinzo Abe was killed. There are still some controversial issues that haven't been resolved, such as the relationship between lawmakers and the Unification Church and the rules for having a state funeral.

A memorial service was held at Zojoji, a Buddhist temple in Tokyo, to remember Japan's longest-serving prime minister, who was killed at age 67 while makin....