Northrop Grumman's expansion strategy has been "validated" by the new defense budget concerns brought on by the war on terrorism, the company's chairman and chief executive officer said today. "The building blocks are in place to defining our future, and the strategy that created the new Northrop Grumman has been validated by the current defense budget priorities," Kent Kresa told investment analysts during a conference call outlining the company's fourth-quarter earnings results. Nearly one-third of the Pentagon's allocations under the...