“I want to make sure you’re saying something accurate here, that every member of the joint commission has decided it’s better to keep its deliberations and decisions secret or if you’re using the word ‘consensus’ in some other, non-precise way.”

That’s when Kirby fired back.

“Don’t insult me, and don’t stand up there and try to lecture me on English, OK?” Kirby said. “Let’s be grown-ups here. In diplomatic discussions, particularly multilateral ones, as I said, those discussions are confidential unless all parties agree otherwise.”