Stacy Cummings, the Pentagon's acting acquisition chief, plans to leave her job soon, an imminent departure that follows Michael Brown's withdrawal as the nominee President Biden had picked to fill the post. “Ms. Stacy Cummings will be departing Acquisition and Sustainment in the coming weeks, where she currently serves as performing the duties of under secretary of defense for acquisition and sustainment,” according to a statement from Jessica Maxwell, a DOD spokeswoman. Cummings’ planned exit, first reported by Politico...