TOKYO—Yoshiyuki Kasai, longtime boss of Japan’s biggest bullet-train line, says he thinks Tokyo’s alliance with the U.S. comes first and China needs to hear that message. If Beijing doesn’t like it, he says, tough luck.
Hiroaki Nakanishi, head of Japan’s most powerful business federation, says he thinks that attitude is self-defeating. After all its work to build ties with China, Tokyo should play nice where it can, he says.
The…