Rubio has yet to visit Japan, or neighboring South Korea, the other major U.S. ally in Northeast Asia, since taking office in ...

Tied to one of Japan’s most powerful clans, Yoshii Nagakado—better known as Matsudaira Tadayoshi—stood at the crossroads of legacy and ambition.

Here’s what to know about various countries’ deals and negotiations with the U.S., as we approach the deadline for higher ...