The two leaders are locked in a stalemate over the president’s approach to North Korea and negative view of Japan’s trade practices.

https://www.washingtonpost.com/world/national-security/i-remember-pearl-harbor-inside-trumps-hot-and-cold-relationship-with-japans-prime-minister/2018/08/28/d6117021-e310-40a4-b688-68fdf5ed2f38_story.html?utm_term=.39e4b0db5e76