Don't be too shocked by the news that a U.S. ballistic missile interceptor test has failed. First reported by CNN, the Hawaii based test was conducted by the personnel assigned to the Aegis ashore missile defense system. But while the test is obviously a disappointment, the U.S. remains years away from having a missile defense program that can, with high confidence, launch and destroy nuclear warhead armed ballistic missiles. "High confidence" are the key words here. U.S. ballistic missile defense capabilities are actually pretty competent nowadays. While they might struggle with advanced countermeasure-equipped ballistic missiles from China or Russia, North...