Masahiro Matsumura is professor of international politics and national security at the faculty of law at St. Andrew's University in Osaka.
Demands for unparalleled increase in Japan's defense spending could strain ties


President Joe Biden, left, and Japanese Prime Minister Fumio Kishida speak as they participate in a State Arrival Ceremony on the South Lawn of the White House, Wednesday, April 10, 2024, in Washington. © AP
Masahiro Matsumura is professor of international politics and national security at the faculty of law at St. Andrew's University in Osaka.