What exactly is 5G—and why could China control its future?

Since it went into effect seventy-five years ago, Japan’s constitution has prevented the country from engaging in combat. But China’s growing military power and North Korea’s increasing threats raise…

Following World War II, Japan’s U.S.–imposed constitution renounced the use of offensive military force. But a nuclear North Korea and an increasingly assertive China have the Japanese rethinking tha…