As the Pentagon readies to present a proposal next week to President Trump for a new national missile defense system, two former top defense officials are warning against handing the job to the Missile Defense Agency, arguing the effort requires a fresh, integrated approach that transcends existing bureaucracies. Michael Griffin, former under secretary of defense for research and engineering, and Lisa Porter, former deputy under secretary of defense for research and engineering, contend MDA, while technically proficient, is not structured...
