While Trump and Kim play checkers, Xi has the go board out.

Kim is a tactical difficulty, maintaining alliances against China is the strategic issue

China will learn that totalitarian states have short-term advantages but they don't end well.

Forces from a century ago are back in play, but the stakes today are much higher.

Given all the maritime capability that is needed in dealing with North Korea, it is clear the U.S. must continue to conduct exercises on the high seas.