President Donald Trump's relationship with his chief of staff John Kelly was beyond repair when he announced last December that Kelly would be stepping down.
원문출처 : https://www.cnn.com/2019/09/04/politics/donald-trump-john-kelly-books-nda-staff/index.html
원문출처 : https://www.cnn.com/2019/09/04/politics/donald-trump-john-kelly-books-nda-staff/index.html