President Trump has signed a memorandum ordering a 30-day Pentagon readiness review and the crafting of a new defense budget, as well as reviews of U.S. nuclear posture and missile defense. The memo directs Defense Secretary James Mattis to assess readiness conditions "with respect to prosecuting the fight against [the Islamic State of Iraq and the Levant], other forms of radical Islamic terror, and all existing threats; executing operational plans against near peer competitors and regional challengers; and supporting long-term...