If nuclear missiles were suddenly fired at the United States from North Korea, the U.S. is ready to shoot them down. That's the opinion of Major Gen. John Holly, head of the missile-shield program for the Pentagon's Missile Defense Agency. "If directed, we could provide a limited defense against an attack out of Northeast Asia," Holly told Alaska lawmakers, according to the Associated Press. But he also acknowledged it would have to be a small attack, since there are only eight interceptor missiles in place in Alaska and California. Fort Greely, Alaska, currently houses six interceptors, with another 10 expected...