Trump Responds To Shanahan's Withdrawal, Esper's Nomination For Secretary Of Defense | NBC News  NBC NewsShanahan's departure leaves Pentagon adrift, with a growing power vacuum and Pompeo as de facto defense secretary  Washington ExaminerShanahan withdraws from consideration to be US defence secretary  Al Jazeera EnglishPatrick Shanahan’s departure plunges the Pentagon into uncertainty  The Washington PostThe Short, Sad Career of Patrick Shanahan  BloombergView full coverage on Google News