A Pentagon spokesman said Defense Secretary Mark Esper took no part in the Army's selection this fall of his former employer Raytheon to build the Lower Tier Air and Missile Defense Sensor, a project company officials expect will deliver a potential $20 billion line of new business. Immediately following the Oct. 17 source selection , Inside Defense asked if Esper complied with his July 15 ethics pledge spelling out steps he would take "to avoid any actual or apparent...