https://mediadc.brightspotcdn.com/dims4/default/dbbade0/2147483647/strip/true/crop/2277x1196+6+8/resize/1200x630!/quality/90/?url=https%3A%2F%2Fmediadc.brightspotcdn.com%2F81%2F3b%2F43aadcd74e7398d8543760d8ed1d%2Frobert-c._O%27BrienA.jpg washingtonexaminer.com trump names robert c. o'brien to replace john bolton as national 2019-09-18 O'Brien will be appointed the next adviser on Wednesday morning.. ..…