North Korean missile tests

Believe me, I'm concerned about North Korea having nuclear weapons, and I hope I don't underestimate the danger to those countries closer to North Korea. But if I understand the situation correctly (which is by no means a given), North Korea and the United States at least are well-matched in terms of the missile tests. North Korea has long-range missiles that don't work, and the U.S. has a missile defense system that doesn't work either.