North Korean Bluster

North Korea has threatened the United States with a nuclear attack. This is equivalent to a Chihuahua growling at a Rottweiler. This bellicose display tends to have a bad outcome for the tiny aggressor. It is conceivable the the North Koreans could do some damage to some part of Alaska or Hawaii or even the West Coast, but the North Koreans must realize that if they do launch their "preemptive nuclear strike" that only cockroaches will remain alive in that benighted country.