Bolton writes of Trump's "vindictiveness, as evidenced by the constant eruptions against John McCain, even after McCain died and could do Trump no more harm...
Bolton didn't like Brennan but didn't approve of the move, either...
"Kelly told Trump it was 'not presidential,' which was true, and he told me it was 'Nixonian,' also true. 'Has there ever been a presidency like this?' Kelly asked me, and I assured him there had not..."