CNN's Tom Foreman takes a closer look at what we know about North Korea's nuclear capabilities. http://cnn.it/2unMwlH | CNN

CNN's Tom Foreman takes a closer look at what we know about North Korea's nuclear capabilities http://cnn.it/2uplyy4 | CNN International

North Korea’s newest 5,000-ton destroyer failed to launch, in an embarrassing accident witnessed in real time by the reclusive country’s leader, Kim Jong Un. But analysts caution the failure wouldn’t stop Kim’s ambition to modernize his naval force. Read more: https://cnn.it/4dMQFpQ | CNN