Rumsfeld cautions on missile shield (AP)

FORT GREELY, Alaska - After his first look inside the nerve center of the U.S. missile defense system, Defense Secretary Donald H. Rumsfeld on Sunday sounded a note of caution about expectations that interceptors poised in underground silos here would work in the event of a missile attack by North Korea " /> SEARCH News | News Photos | Images | Web " /> North Korea . Rumsfeld climbed down a steel ladder into one of 10 silos that house single 54-foot-long missile interceptors. If ordered by President ...