The Guardian reports:
Citing the thorny question of withdrawing troops from Afghanistan and Trump’s urge to pull out of NATO, Kelly “defended his rocky tenure, arguing that it is best measured by what the president did not do when Kelly was at his side”.
Kelly was one of the so-called “adults in the room” – many of them generals, who supposedly restrained Trump’s worst impulses. Trump has chafed at media accounts of experienced aides acting to calm his wilder behaviour.
Another, defense secretary Jim Mattis, will also leave on 1 January, his resignation over the withdrawal from Syria brought forward by a president piqued by the favourable media attention it gained.