Lawmakers are directing a digital overhaul of the Defense Department's acquisition system and instructing defense officials to use "data-driven portfolio management" to consolidate duplicate or similar weapon systems. The House-Senate conference version of the fiscal year 2021 defense policy bill directs the defense secretary to "iteratively develop and integrate advanced digital data management and analytics capabilities, consistent with private-sector best practices" in order to "integrate all aspects of the defense acquisition system." The effort should also "facilitate the management and...