The Navy delayed its next-generation cruiser effort because it was wary of "charging off" to build an expensive ship with potentially unnecessary technology and without fully understanding how it would fit into surface ship plans, the chief of naval operations said last week. "The whole thing is, what does this ship have to be?" Adm. Gary Roughead asked during an April 25 meeting with reporters aboard his plane, which traveled to Charleston, SC, for the commissioning of the Truxtun (DDG-103)...