Deputy Defense Secretary Gordon England has approved a new blueprint for how U.S. military forces will expand their capacity and skills to conduct irregular warfare, fulfilling a central proposal of the Quadrennial Defense Review, according to defense officials. The classified "Irregular Warfare Execution Roadmap" was signed by England on April 28. It is a collection of actions, tasks and new milestones -- focused largely on ground forces, Pentagon officials say -- that articulate how the Defense Department intends to improve...