Kelly Sadler’s comments about the ailing senator in a meeting May 10 were made public.
ref:https://www.washingtonpost.com/politics/trump-aide-who-derided-mccain-over-haspel-opposition-gone-from-the-white-house/2018/06/05/d3241a36-690a-11e8-bbc5-dc9f3634fa0a_story.html