The Defense Department will develop new capabilities to tailor its decades-old deterrence tools -- namely the threat of nuclear and conventional military force -- to deal effectively with new threats facing the United States, including violent extremists and terrorist networks. Ryan Henry, principal deputy secretary of defense for policy, said the nearly complete Quadrennial Defense Review will roll out the concept of "tailored deterrence" to guide policy and investment decisions related to the military's strategic and conventional forces. Specifically, the...