Defense Secretary Donald Rumsfeld has issued a new defense strategy that aims to reorient the U.S. military's focus from preparing to fight conventional armed forces to preparing to contend with a wider range of challenges, including insurgencies and catastrophic attacks. Pentagon officials say the first-ever "National Defense Strategy of the United States of America," a 20-page paper dated March 2005, is not just another glossy policy document. It is being used as the strategic backdrop for the 2005 Quadrennial Defense...