All eyes are focused on the Korean Peninsula. Signs suggest that North Korea is preparing to conduct another nuclear weapons test, perhaps as soon as April 15, to commemorate the 105th anniversary of the birth of the country's founder, Kim Il Sung. If Pyongyang follows through, the act will be nothing short of a provocation.
As tensions mount, China has stressed the importance of diplomacy and of preventing the situation from escalating to an "irreversible and unmanageable stage." So far, U.S. President Donald Trump's administration has relied largely on non-kinetic means such as additional sanctions and increased enforcement or enhanced regional missile defense to keep North Korea's nuclear ambitions in check. But Washington has made clear that it will keep all of its options open. As the United States demonstrated with its limited cruise missile strike in Syria on April 6, it is willing to take unilateral military action. And considering...