SIMI VALLEY, CA -- The Defense Innovation Unit Experimental is seeking to prove its success in bringing cultural and process changes to the Pentagon, the group’s director said Saturday. Speaking at the Reagan National Defense Forum here, Raj Shah said he sees the unit as nonpartisan and hopes it will continue into the next administration. "The mission of DIUx . . . is inherently a nonpartisan one," he said. "If you look at some of the reform-minded statements that the...