Live prerecorded.
He DID mention that sometimes its a dangerous job.
Haley did just mentions having to wear "body armor" when stepping in to the U.N.
Trump: "Big announcement tonight in Iowa"
Though on RR and Trump meeting aboard AF1. Rosenstein must've said "Look Don, as you now know this has never been about you. We've long since turned our focus on the former administration and I'm asking you to strongly reconsider releasing the unredacted FISA pages and applications. It will blow our cover off of this. Jeff and I are about to strike and this requires all ducks are in a row to take everyone down at once without telegraphing our move to all culpable parties. We'll need a series of announcements to keep the press focused elsewhere. Trust the plan"
Hugo Gurdon (Washington Examiner) on Fox talking about possible LG moving into Haley position. I can't help but to be reminded by LG's odd line of questioning day 2 of the Kav hearings.
Nikki Haley and POTUS used something they already knew to distract the MSM. In other words they kept this announcement in their back pocket to distract from other matters occurring behind the scenes.