Aren’t all US Attorneys nominated by the President?
What did former SDNY US Attorney Berman mean when he says the following?,” 'I have not resigned, and have no intention of resigning, my position, to which I was appointed by the Judges of the United States District Court for the Southern District of New York.”
https://www.dailymail.co.uk/news/article-8443311/Trump-FIRES-embattled-federal-prosecutor-Manhattan-Geoffrey-Berman.html