I’m Jack Keane, retired four-star general, former Vice Chief of Staff of the U.S. Army and a member of The Cipher Brief network. I served the American people for almost 38 years. I’m an infantry paratrooper who commanded every level from company through corps. What do I think of U.S. strategy in North Korea? How much of a threat is North Korea? How should Washington and its allies handle the threat? Here’s my perspective In My Own Words, no holds barred.